DOCSLIB.ORG

Sedimentary Tectonics of the Mesoproterozoic Lahood

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Sedimentary Tectonics of the Mesoproterozoic Lahood SEDIMENTARY TECTONICS OF THE MESOPROTEROZOIC LAHOOD FORMATION SOUTHWEST, MONTANA by Nicholas Reid Fox A thesis submitted in partial fulfillment Of the requirements for the degree of Master of Science in Earth Sciences MONTANA STATE UNIVERSITY Bozeman, Montana January 2017 ©COPYRIGHT By Nicholas, Reid, Fox 2017 All Rights Reserved iii ACKNOWLEDGEMENTS I would like to dedicate this work to my wife and family whose love and support have been essential in my pursuit of higher education and research. I would also like to acknowledge my peers who have provided guidance throughout this study. This research would not be possible without funding from the Donald L. Smith Memorial Scholarship, Tobacco Root Geological Society Harrison Scholarship and National Science Foundation. May this thesis be an acknowledgement to the crucial work completed by William J. McMannis (1924-1973) on the Bridger Range geology (1955) and the LaHood Formation (1963), which has been paramount to the interpretations made by this study. iv TABLE OF CONTENTS 1. INTRODUCTION .......................................................................................................... 1 Significance of Research ................................................................................................. 1 Belt Basin Geologic Setting ............................................................................................ 1 Historical Background..................................................................................................... 9 2. FIELD RELATIONS .................................................................................................... 11 Methods ......................................................................................................................... 11 Lithofacies ..................................................................................................................... 14 Lithofacies sG ............................................................................................................ 14 Lithofacies (g)S ......................................................................................................... 22 Lithofacies slM .......................................................................................................... 27 Sedimentary Structures (g)S & slM .......................................................................... 27 Lithofacies Mdc ......................................................................................................... 29 Lithofacies sfM .......................................................................................................... 30 (g)S and Mdc/sfM...................................................................................................... 30 Lithofacies Summary................................................................................................. 38 Fluid Flow Dynamics ................................................................................................ 38 sG. .......................................................................................................................... 38 (g)S & slM. ............................................................................................................ 39 Mdc &sfM. ............................................................................................................. 40 Facies Associations ................................................................................................... 42 Depositional Systems ................................................................................................ 43 Tectonic Environment ............................................................................................... 44 3. STRATIGRAPHIC FRAMEWORK ............................................................................ 47 Introduction ................................................................................................................... 47 Methods ......................................................................................................................... 47 Results ........................................................................................................................... 47 Stratigraphic Sections ................................................................................................ 47 A1 (sG). .................................................................................................................. 47 A2 (sG, (g)S & slM). ............................................................................................. 49 A3 ((g)S and slM). ................................................................................................. 50 B1 (sG) & B2 ((g)S and slM). ................................................................................ 51 B3 ((g)S & Mdc/sfM). ........................................................................................... 51 C1 (sG). .................................................................................................................. 51 C2 ((g)S/slM & Mdc/sfM). .................................................................................... 51 C3 ((g)S & Mdc/sfM). ........................................................................................... 52 D1&D2 ((g)S/slM & Mdc/sfM). ............................................................................ 52 E1 ((g)S/slM & Mdc/sfM). .................................................................................... 52 Stratigraphic Correlations ............................................................................................. 53 v TABLE OF CONTENTS - CONTINUED 4. DIAGENESIS AND METAMORPHISM.................................................................... 60 Introduction ................................................................................................................... 60 Methods ......................................................................................................................... 60 Results ........................................................................................................................... 60 Corbly Canyon Conglomerate Member (sG) ............................................................ 60 Reese Creek Sandstone Member (g)S ....................................................................... 61 Johnson Canyon Carbonate Member ......................................................................... 64 Interpretation ................................................................................................................. 68 5.GEOCHRONOLOGY ................................................................................................... 70 Major and Trace Elements ............................................................................................ 70 Introduction ............................................................................................................... 70 Methods ..................................................................................................................... 71 Major Elements ............................................................................................................. 73 Results ....................................................................................................................... 73 Harker Diagrams. ................................................................................................... 73 CaO-Na2O-K2O. ..................................................................................................... 76 Al2O3/SiO2-MgO+Fe2O3. ....................................................................................... 77 Trace Elements .............................................................................................................. 79 Results ....................................................................................................................... 79 V-Sc. ...................................................................................................................... 79 Ba/La-Eu/Eu*. ........................................................................................................ 81 La/Th. ..................................................................................................................... 82 Cr-Ni. ..................................................................................................................... 84 REE Plots ...................................................................................................................... 85 Results ....................................................................................................................... 85 Interpretation ............................................................................................................. 92 Calculated Chemical Index of Alteration ...................................................................... 93 Introduction ............................................................................................................... 93 Results ....................................................................................................................... 93 Interpretation ............................................................................................................. 94 Sm-Nd Systematics ....................................................................................................... 95 Introduction ..............................................................................................................
Load more

Recommended publications
  • Canyon Ferry Reservoir Camping Regulations and Information
    Canyon Ferry Reservoir Camping Regulations and Information Welcome to Canyon Ferry Recreation Area. The Bureau of Reclamation invites you to come and experience the abundance of wildlife and fishing opportunities available on your public lands around Canyon Ferry Reservoir. There are many recreation areas around the reservoir which include overnight campgrounds, day use areas, and group use shelters. To enhance your enjoyment and the enjoyment of others, campground regulations have been established through 43 CFR Part 423. Remember to be safe and enjoy your stay. Finding a Reservations for camping and group use shelters are now available. Reservations may be made at www.recreation.gov or by calling the toll-free reservation line at1-877-444-6777 (10:00 AM Campsite - 10:00 PM MST). Reservations can be made up to six months prior to visit. Campsites unreserved are available on a first-come,first-serve for the unreserved date(s). Walk in campsites or campsites unreserved are available first-come, first-served basis and cannot be reserved. Camping is allowed in designated campsites only. To declare occupancy of a walk in campsite, you must have a tent, camper or camp trailer in the campsite. Within 30 minutes of choosing a campsite, fill out a fee envelope and deposit it in the fee tube. Place the completed envelope receipt in the clip on the numbered site post. Pay only for the nights you know you will be camping. No refunds are available. You must not attempt to reserve a campsite for future use by placing equipment or other items on the campsite, or by personal appearance, without camping on and paying the required fees for that campsite daily.
    [Show full text]
  • Geology of Part of the Townsend Valley Broadwater and Jefferson
    Geology of Part of the Townsend Valley Broadwater and Jefferson » Counties,x Montana GEOLOGICAL SURVEY BULLETIN 1042-N CONTRIBUTIONS TO ECONOMIC GEOLOGY GEOLOGY OF PART OF THE TOWNSEND VALLEY BROADWATER AND JEFFERSON COUNTIES, MONTANA By V. L. FREEMAN, E. T. RUPPEL, and M. R. KLEPPER ABSTRACT The Townsend Valley, a broad intermontane basin in west-central Montana, extends from Toston to Canyon Ferry. The area described in this report includes that part of the valley west of longitude 111° 30' W. and south of latitude 46° 30' N. and the low hills west and south of the valley. The Missouri River enters the area near Townsend and flows northward through the northern half of the area. Three perennial tributaries and a number of intermittent streams flow across the area and into the river from the west. The hilly parts of the area are underlain mainly by folded sedimentary rocks ranging in age from Precambrian to Cretaceous. The broad pediment in the southwestern part is underlain mainly by folded andesitic volcanic rocks of Upper Cretaceous age and a relatively thin sequence of gently deformed tuffaceous rocks of Tertiary age. The remainder of the area is underlain by a thick sequence of Tertiary tuffaceous rocks that is partly blanketed by late Tertiary and Quater­ nary unconsolidated deposits. Two units of Precambrian age, 13 of Paleozoic age, 7 of Mesozoic age, and several of Cenozoic tuffaceous rock and gravel were mapped. Rocks of the Belt series of Precambrian age comprise a thick sequence of silt- stone, sandstone, shale, and subordinate limestone divisible into the Greyson shale, the Spokane shale, and the basal part of the Empire shale, which was mapped with the underlying Spokane shale.
    [Show full text]
  • Fall 2016 Golden Eagle Migration Survey Big Belt Mountains, Montana
    1 Fall 2016 Golden Eagle Migration S urvey Big Belt Mountains, Montana Photo by Ronan Dugan Montana Audubon, Helena, Montana March 2017 2 Fall 2016 Golden Eagle Migration Survey Big Belt Mountains, Montana Report submitted to: Helena - Lewis & Clark National Forest ATTN: Denise Pengeroth, Forest Biologist 3425 Skyway Drive, Helena, MT 59602 Report prepared by: Jeff Grayum, Ronan Dugan, & Steve Hoffman Counts conducted by: Ronan Dugan & Jeff Grayum Project coordinated by : Montana Audubon, Inc. Project Coordinator: Steve Hoffman P.O. Box 595, Helena, MT 59624 (406) 443 - 3949 March 2017 3 Table of Contents List of Tables ................................ ................................ ................................ .............................. 3 List of Figures ................................ ................................ ................................ ............................. 4 Introduction ................................ ................................ ................................ ................................ 5 Study Site ................................ ................................ ................................ ................................ .... 6 Methods ................................ ................................ ................................ ................................ ...... 8 Results and Discussion ................................ ................................ ................................ ................ 9 Observ ation Effort and Weather Summary ...............................
    [Show full text]
  • Compilation of Reported Sapphire Occurrences in Montana
    Report of Investigation 23 Compilation of Reported Sapphire Occurrences in Montana Richard B. Berg 2015 Cover photo by Richard Berg. Sapphires (very pale green and colorless) concentrated by panning. The small red grains are garnets, commonly found with sapphires in western Montana, and the black sand is mainly magnetite. Compilation of Reported Sapphire Occurrences, RI 23 Compilation of Reported Sapphire Occurrences in Montana Richard B. Berg Montana Bureau of Mines and Geology MBMG Report of Investigation 23 2015 i Compilation of Reported Sapphire Occurrences, RI 23 TABLE OF CONTENTS Introduction ............................................................................................................................1 Descriptions of Occurrences ..................................................................................................7 Selected Bibliography of Articles on Montana Sapphires ................................................... 75 General Montana ............................................................................................................75 Yogo ................................................................................................................................ 75 Southwestern Montana Alluvial Deposits........................................................................ 76 Specifi cally Rock Creek sapphire district ........................................................................ 76 Specifi cally Dry Cottonwood Creek deposit and the Butte area ....................................
    [Show full text]
  • Wheatland Statement of Infrastructure Deficiency
    Statement Of Infrastructure Deficiency in the Industrial and Commercial area Of the Wheatland Census Designated Place (CDP) Broadwater County Figure 1. Wheatland Area of Broadwater County Wheatland Targeted Economic Development District Introduction TEDD Draft property Boundary On October 8th of 2018, the Montana Business Assistance Connection, on behalf of Broadwater 22 County entered into a contract with Community 7a Development Services of Montana to assist the 8a County in the proposed creation of a Targeted 9a Economic Development District (TEDD) in the Wheatland industrial and commercial area of the County. The first step in establishing a TEDD is to conduct a review of infrastructure deficiencies within the area proposed for inclusion in a TEDD. 21 6a The documentation of such deficiencies, within a 2a 3a 4a municipality (defined as a county, city or town or 1a consolidated city-county government), in accordance with state law, provides the necessary 8 20 foundation upon which a local government may 7 5a establish a TEDD to foster secondary, value-adding 6 19 5 4 18 economic development. 2 3 9 1 10 12 14 16 11 13 15 The Wheatland industrial and commercial area, 17 13a comprised of nearly 1,000 acres, is generally 12a 10a 11a 15a located along US Highway 287, just north of the 14a Interstate 90 – Highway 287 intersection (Figure 2). It includes the Wheat Montana Bakery and the proposed site of Bridger Brewing, both value- Figure 2 Wheatland Industrial and Commercial Area (draft adding businesses. The creation of a TEDD will map – red lines (does not include orange lines)) enable Broadwater County to encourage the retention, expansion and recruitment of these enterprises, as well as complimentary and compatible value-adding businesses, which will contribute to the overall economic well-being of the County.
    [Show full text]
  • High Elevation Cultural Use of the Big Belt Mountains: a Possible Mountain Tradition Connection
    St. Cloud State University theRepository at St. Cloud State Culminating Projects in Cultural Resource Management Department of Anthropology 5-2020 High Elevation Cultural Use of the Big Belt Mountains: A Possible Mountain Tradition Connection Arian Randall Follow this and additional works at: https://repository.stcloudstate.edu/crm_etds Recommended Citation Randall, Arian, "High Elevation Cultural Use of the Big Belt Mountains: A Possible Mountain Tradition Connection" (2020). Culminating Projects in Cultural Resource Management. 34. https://repository.stcloudstate.edu/crm_etds/34 This Thesis is brought to you for free and open access by the Department of Anthropology at theRepository at St. Cloud State. It has been accepted for inclusion in Culminating Projects in Cultural Resource Management by an authorized administrator of theRepository at St. Cloud State. For more information, please contact [email protected]. High Elevation Cultural Use of the Big Belt Mountains: A Possible Mountain Tradition Connection by Arian L. Randall A Thesis Submitted to the Graduate Faculty of St. Cloud State University in Partial Fulfillment of the Requirements for the Degree Master of Science in Cultural Resource Management, Archaeology May 6, 2020 Thesis Committee: Mark Muñiz, Chairperson Rob Mann Lauri Travis 2 Abstract The Sundog site (24LC2289) was first discovered in 2013 during a field school survey with Carroll College and the Helena-Lewis & Clark National Forest. This archaeological site is located at an elevation of 6,400ft above sea-level in the Northern Big Belt Mountains in Montana. The Sundog Site is a multi- component site with occupations from the Late Paleoindian period to the Late Prehistoric period. This site is significant due to its intact cultural deposits in a high-altitude park, in an elevational range that currently has a data gap.
    [Show full text]
  • A Mesoproterozoic Iron Formation PNAS PLUS
    A Mesoproterozoic iron formation PNAS PLUS Donald E. Canfielda,b,1, Shuichang Zhanga, Huajian Wanga, Xiaomei Wanga, Wenzhi Zhaoa, Jin Sua, Christian J. Bjerrumc, Emma R. Haxenc, and Emma U. Hammarlundb,d aResearch Institute of Petroleum Exploration and Development, China National Petroleum Corporation, 100083 Beijing, China; bInstitute of Biology and Nordcee, University of Southern Denmark, 5230 Odense M, Denmark; cDepartment of Geosciences and Natural Resource Management, Section of Geology, University of Copenhagen, 1350 Copenhagen, Denmark; and dTranslational Cancer Research, Lund University, 223 63 Lund, Sweden Contributed by Donald E. Canfield, February 21, 2018 (sent for review November 27, 2017; reviewed by Andreas Kappler and Kurt O. Konhauser) We describe a 1,400 million-year old (Ma) iron formation (IF) from Understanding the genesis of the Fe minerals in IFs is one step the Xiamaling Formation of the North China Craton. We estimate toward understanding the relationship between IFs and the this IF to have contained at least 520 gigatons of authigenic Fe, chemical and biological environment in which they formed. For comparable in size to many IFs of the Paleoproterozoic Era (2,500– example, the high Fe oxide content of many IFs (e.g., refs. 32, 34, 1,600 Ma). Therefore, substantial IFs formed in the time window and 35) is commonly explained by a reaction between oxygen and between 1,800 and 800 Ma, where they are generally believed to Fe(II) in the upper marine water column, with Fe(II) sourced have been absent. The Xiamaling IF is of exceptionally low thermal from the ocean depths. The oxygen could have come from ex- maturity, allowing the preservation of organic biomarkers and an change equilibrium with oxygen in the atmosphere or from ele- unprecedented view of iron-cycle dynamics during IF emplace- vated oxygen concentrations from cyanobacteria at the water- ment.
    [Show full text]
  • Redalyc.Lost Terranes of Zealandia: Possible Development of Late
    Andean Geology ISSN: 0718-7092 [email protected] Servicio Nacional de Geología y Minería Chile Adams, Christopher J Lost Terranes of Zealandia: possible development of late Paleozoic and early Mesozoic sedimentary basins at the southwest Pacific margin of Gondwanaland, and their destination as terranes in southern South America Andean Geology, vol. 37, núm. 2, julio, 2010, pp. 442-454 Servicio Nacional de Geología y Minería Santiago, Chile Available in: http://www.redalyc.org/articulo.oa?id=173916371010 How to cite Complete issue Scientific Information System More information about this article Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Journal's homepage in redalyc.org Non-profit academic project, developed under the open access initiative Andean Ge%gy 37 (2): 442-454. July. 2010 Andean Geology formerly Revista Geológica de Chile www.scielo.cl/andgeol.htm Lost Terranes of Zealandia: possible development of late Paleozoic and early Mesozoic sedimentary basins at the southwest Pacific margin of Gondwana­ land, and their destination as terranes in southern South America Christopher J. Adams GNS Science, Private Bag 1930, Dunedin, New Zealand. [email protected] ABSTRACT. Latesl Precambrian to Ordovician metasedimentary suecessions and Cambrian-Ordovician and Devonian­ Carboniferous granitoids form tbe major par! oftbe basemenl of soutbem Zealandia and adjacenl sectors ofAntarctica and southeastAustralia. Uplift/cooling ages ofthese rocks, and local Devonian shallow-water caver sequences suggest tbal final consolidation oftbe basemenl occurred tbrough Late Paleozoic time. A necessary consequence oftlris process would have been contemporaneous erosion and tbe substantial developmenl of marine sedimentary basins al tbe Pacific margin of Zealandia.
    [Show full text]
  • MBMG 657 Maurice Mtn 24K.Ai
    MONTANA BUREAU OF MINES AND GEOLOGY MBMG Open-File Report 657 ; Plate 1 of 1 A Department of Montana Tech of The University of Montana Geologic Map of the Maurice Mountain 7.5' Quadrangle, 2015 INTRODUCTION YlcYlc Lawson Creek Formation (Mesoproterozoic)—Characterized by couplets (cm-scale) and couples (dm-scale) of fine- to medium-grained white to pink quartzite and red, purple, black, A collaborative Montana Bureau of Mines and Geology–Idaho Geological Survey (MBMG–IGS) and green argillite. Lenticular and flaser bedding are common and characteristic. Mud rip-up mapping project began in 2007 to resolve some long-standing controversies concerning the clasts are locally common, and some are as much as 15 cm in diameter. Thick intervals of 113° 07' 30" 5' 2' 30" R 12 W 113° 00' relationships between two immensely thick, dissimilar, Mesoproterozoic sedimentary sequences: the 45° 37' 30" 45° 37' 30" medium-grained, thick-bedded (m-scale) quartzite are commonly interbedded with the TKg TKg Lemhi Group and the Belt Supergroup (Ruppel, 1975; Winston and others, 1999; Evans and Green, argillite-rich intervals. The quartzite intervals appear similar to the upper part of the CORRELATION DIAGRAM 32 2003; O’Neill and others, 2007; Burmester and others, 2013). The Maurice Mountain 7.5′ quadrangle underlying Swauger Formation (unit Ysw), but quartz typically comprises a large percentage 20 Ybl occupies a key location for study of these Mesoproterozoic strata, as well as for examination of of the grains (up to 93 percent) in contrast to the feldspathic Swauger Formation. Except in Qaf 45 Tcg Ybl 40 Ybl Holocene important Proterozoic through Tertiary tectonic features.
    [Show full text]
  • A Template for an Improved Rock-Based Subdivision of the Pre-Cryogenian Timescale
    Downloaded from http://jgs.lyellcollection.org/ by guest on September 28, 2021 Perspective Journal of the Geological Society Published Online First https://doi.org/10.1144/jgs2020-222 A template for an improved rock-based subdivision of the pre-Cryogenian timescale Graham A. Shields1*, Robin A. Strachan2, Susannah M. Porter3, Galen P. Halverson4, Francis A. Macdonald3, Kenneth A. Plumb5, Carlos J. de Alvarenga6, Dhiraj M. Banerjee7, Andrey Bekker8, Wouter Bleeker9, Alexander Brasier10, Partha P. Chakraborty7, Alan S. Collins11, Kent Condie12, Kaushik Das13, David A. D. Evans14, Richard Ernst15,16, Anthony E. Fallick17, Hartwig Frimmel18, Reinhardt Fuck6, Paul F. Hoffman19,20, Balz S. Kamber21, Anton B. Kuznetsov22, Ross N. Mitchell23, Daniel G. Poiré24, Simon W. Poulton25, Robert Riding26, Mukund Sharma27, Craig Storey2, Eva Stueeken28, Rosalie Tostevin29, Elizabeth Turner30, Shuhai Xiao31, Shuanhong Zhang32, Ying Zhou1 and Maoyan Zhu33 1 Department of Earth Sciences, University College London, London, UK 2 School of the Environment, Geography and Geosciences, University of Portsmouth, Portsmouth, UK 3 Department of Earth Science, University of California at Santa Barbara, Santa Barbara, CA, USA 4 Department of Earth and Planetary Sciences, McGill University, Montreal, Canada 5 Geoscience Australia (retired), Canberra, Australia 6 Instituto de Geociências, Universidade de Brasília, Brasilia, Brazil 7 Department of Geology, University of Delhi, Delhi, India 8 Department of Earth and Planetary Sciences, University of California, Riverside,
    [Show full text]
  • Precambrian Basement and Late Paleoproterozoic to Mesoproterozoic Tectonic Evolution of the SW Yangtze Block, South China
    minerals Article Precambrian Basement and Late Paleoproterozoic to Mesoproterozoic Tectonic Evolution of the SW Yangtze Block, South China: Constraints from Zircon U–Pb Dating and Hf Isotopes Wei Liu 1,2,*, Xiaoyong Yang 1,*, Shengyuan Shu 1, Lei Liu 1 and Sihua Yuan 3 1 CAS Key Laboratory of Crust-Mantle Materials and Environments, University of Science and Technology of China, Hefei 230026, China; [email protected] (S.S.); [email protected] (L.L.) 2 Chengdu Center, China Geological Survey, Chengdu 610081, China 3 Department of Earthquake Science, Institute of Disaster Prevention, Langfang 065201, China; [email protected] * Correspondence: [email protected] (W.L.); [email protected] (X.Y.) Received: 27 May 2018; Accepted: 30 July 2018; Published: 3 August 2018 Abstract: Zircon U–Pb dating and Hf isotopic analyses are performed on clastic rocks, sedimentary tuff of the Dongchuan Group (DCG), and a diabase, which is an intrusive body from the base of DCG in the SW Yangtze Block. The results provide new constraints on the Precambrian basement and the Late Paleoproterozoic to Mesoproterozoic tectonic evolution of the SW Yangtze Block, South China. DCG has been divided into four formations from the bottom to the top: Yinmin, Luoxue, Heishan, and Qinglongshan. The Yinmin Formation, which represents the oldest rock unit of DCG, was intruded by a diabase dyke. The oldest zircon age of the clastic rocks from the Yinmin Formation is 3654 Ma, with "Hf(t) of −3.1 and a two-stage modeled age of 4081 Ma. Another zircon exhibits an age of 2406 Ma, with "Hf(t) of −20.1 and a two-stage modeled age of 4152 Ma.
    [Show full text]
  • Southwest MONTANA Visitvisit Southwest MONTANA
    visit SouthWest MONTANA visitvisit SouthWest MONTANA 2016 OFFICIAL REGIONAL TRAVEL GUIDE SOUTHWESTMT.COM • 800-879-1159 Powwow (Lisa Wareham) Sawtooth Lake (Chuck Haney) Pronghorn Antelope (Donnie Sexton) Bannack State Park (Donnie Sexton) SouthWest MONTANABetween Yellowstone National Park and Glacier National Park lies a landscape that encapsulates the best of what Montana’s about. Here, breathtaking crags pierce the bluest sky you’ve ever seen. Vast flocks of trumpeter swans splash down on the emerald waters of high mountain lakes. Quiet ghost towns beckon you back into history. Lively communities buzz with the welcoming vibe and creative energy of today’s frontier. Whether your passion is snowboarding or golfing, microbrews or monster trout, you’ll find endless riches in Southwest Montana. You’ll also find gems of places to enjoy a hearty meal or rest your head — from friendly roadside diners to lavish Western resorts. We look forward to sharing this Rexford Yaak Eureka Westby GLACIER Whitetail Babb Sweetgrass Four Flaxville NATIONAL Opheim Buttes Fortine Polebridge Sunburst Turner remarkable place with you. Trego St. Mary PARK Loring Whitewater Peerless Scobey Plentywood Lake Cut Bank Troy Apgar McDonald Browning Chinook Medicine Lake Libby West Glacier Columbia Shelby Falls Coram Rudyard Martin City Chester Froid Whitefish East Glacier Galata Havre Fort Hinsdale Saint Hungry Saco Lustre Horse Park Valier Box Belknap Marie Elder Dodson Vandalia Kalispell Essex Agency Heart Butte Malta Culbertson Kila Dupuyer Wolf Marion Bigfork Flathead River Glasgow Nashua Poplar Heron Big Sandy Point Somers Conrad Bainville Noxon Lakeside Rollins Bynum Brady Proctor Swan Lake Fort Fairview Trout Dayton Virgelle Peck Creek Elmo Fort Benton Loma Thompson Big Arm Choteau Landusky Zortman Sidney Falls Hot Springs Polson Lambert Crane CONTENTS Condon Fairfield Great Haugan Ronan Vaughn Plains Falls Savage De Borgia Charlo Augusta Winifred Bloomfield St.
    [Show full text]