A Handbook for New Volunteers Volunteers-In-Parks Program
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Texas Big Bend and the Davis Mountains April 22-29, 2017
Texas Big Bend and the Davis Mountains Participants: Anne, Craig, David, Frank, Hilary, Jan, Joan, Judith, Lori, Linda, Neil, Skip and Stephen April 22-29, 2017 GUIDES Woody Wheeler and Lynn Tennefoss Sunset through "The Window" at Chisos Basin, Big Bend National Park Day One: El Paso to McNary Reservoir, Balmorhea State Park and Fort Davis Appropriately, we started this journey on Earth Day. We departed from El Paso on an unusually cool but sunny day – ideal for travelling. El Paso and its suburbs swiftly gave way to the vast expanses of the Chihuahuan Desert. An hour east, and well into the desert, we exited off the freeway at McNary Reservoir. At the exit underpass, we found a small colony of Cave Swallows searching for nest sites. This was a life bird for many in our group. Nearby, we pulled into the completely unassuming McNary Reservoir. From below it appears to be a scrubby, degraded bank. Upon cresting the bank, however, there is a sizeable reservoir. Here we found Clark’s Grebes performing a small portion of their spectacular mating dance that resembles a synchronized water ballet. Western Grebes were also nearby, as were a variety of wintering waterfowl and an unexpected flock of Willet. Gambel’s Quail perched conspicuously and called loudly from the shore. Just as we were about to depart, Lynn spotted a lone Ruddy Duck bringing our total to 17 species of Gambel's Quail birds at our first stop. We stopped for lunch at a colorful Mexican restaurant in Van Horn that has hosted a number of celebrities over the years. -
CHISOS BASIN STORE Big Bend National Park Castolon Vicinity
CHISOS BASIN STORE HABS No. TX-3399 Big Bend National Park Castolon Vicinity Brewster County HR65 Texas : O - /' ;PSTX REDUCED COPIES OF MEASURED DRAWINGS PHOTOGRAPHS WRITTEN HISTORICAL AND DESCRIPTIVE DATA HISTORIC AMERICAN BUILDINGS SURVEY National Park Service Department of the Interior Washington, D.C. 20013-7127 fiABS HISTORIC AMERICAN BUILDINGS SURVEY % CHISOS BASIN STORE HABS No. TX-3399 Location: Green Gulch, Big Bend National Park, Castolon vicinity, Brewster County, Texas. Significance: The Chisos Basin Store, built as a temporary structure in 1941 or early 1942, is constructed of adobe in a vaguely Spanish style, part of a larger complex with this architectural theme. After the war, two prefabricated Dallas huts were added to the building. Description: The original building is one story in a T-shaped plan. The roughly coursed limestone foundation is held together with a simple mud mortar. Stuccoed walls of 10" x 15" adobe bricks were laid in common bond, and not keyed into each other at the corners, but simply butt-jointed. The roofe of the intersecting wings were low-sloped gable and shed roofs. A rounded adobe chimney poked out of the shed roof on the northern wing. The recessed porch at the front entrance provided shade from the hot desert sun. The windows consist of paired ten-light casements, and a band of four-light casements on the north wall. The flooring of the recessed porch and the steps up to the front of the building are flagstone laid in a cement-amended mortar. The original portion consists of two rooms. The walls are plastered. -
Foundation Document Big Bend National Park Texas May 2016 Foundation Document
NATIONAL PARK SERVICE • U.S. DEPARTMENT OF THE INTERIOR Foundation Document Big Bend National Park Texas May 2016 Foundation Document Unpaved road Trail Ruins S A N 385 North 0 5 10 Kilometers T Primitive road Private land within I A Rapids G 0 5 10 Miles (four-wheel-drive, park boundary O high-clearance Please observe landowner’s vehicles only) BLACK GAP rights. M WILDLIFE MANAGEMENT AREA Persimmon Gap O U N T A Stillwell Store and RV Park Graytop I N S Visitor Center on Dog Cany Trail d o a nch R 2627 TEXAS Ra a u ng Te r l i 118 Big Bend Dagger Mountain Stairway Mountain S I National Park ROSILLOS MOUNTAINS E R R A DAGGER Camels D r Packsaddle Rosillos e FLAT S Hump E v i l L I Mountain Peak i E R a C r R c Aqua Fria A i T R B n A Mountain o A e t CORAZONES PEAKS u c lat A L ROSILLOS gger F L S Da O L O A d RANCH ld M R n G a Hen Egg U O E A d l r R i Mountain T e T O W R O CHRI N R STM I A Terlingua Ranch o S L L M O a e O d d n U LA N F a TA L r LINDA I A N T G S Grapevine o d Fossil i a Spring o Bone R R THE Exhibit e Balanced Rock s G T E L E P d PAINT GAP l H l RA O N n SOLITARIO HILLS i P N E N Y O a H EV ail C A r Slickrock H I IN r LL E T G Croton Peak S S Mountain e n Government n o i I n T y u Spring v Roys Peak e E R e le n S o p p a R i Dogie h C R E gh ra O o u G l n T Mountain o d e R R A Panther Junction O A T O S Chisos Mountains r TERLINGUA STUDY BUTTE/ e C BLACK MESA Visitor Center Basin Junction I GHOST TOWN TERLINGUA R D Castolon/ Park Headquarters T X o o E MADERAS Maverick Santa Elena Chisos Basin Road a E 118 -
Texas Treasures: Wetlands
TEXAS PARKS AND WILDLIFE Wet la nd s a vanishing treasure? Wetlands are more important than you might imagine. They are one of Texas’ most valuable natural treasures. Wetlands provide flood protection, improve water quality and provide millions of Imagine... dollars in economic benefits each year. Yet, Texas has lost more than half of its wetlands in the past Rivers laden with silt 200 years. Texas wetlands have been drained, filled, used as dumps and generally misunderstood. and debris Migrating birds without a place to rest Young fish without food and shelter Imagine Texas without wetlands WETLANDS ARE THE TYPICAL WETLAND FEATURES: IN-BETWEEN PLACES WHERE THE WATER MEETS THE LAND. THEY ARE LARGE AND SMALL, PERMANENT AND ONLY OCCASIONAL, ON THE COAST OR IN THE DESERT. WETLANDS ARE SHORELINES, L WATER that stands or flows L PLANTS that have L SOILS that develop in oxygen- MARSHES, MUDDY SWAMPS OR gently through low areas for at least adapted to life in wet poor conditions and are saturated STREAM BANKS. part of the year environments for at least part of the year WETLANDS ARE MORE THAN SIMPLE SWAMPS OR PONDS. THEY ARE COMPLICATED COASTAL WETLANDS ECOSYSTEMS THAT WORK FOR Salt water or a combination of salt and fresh ALL LIVING THINGS EVERY DAY, water mixed together Playa Lakes ALL THE TIME. Plants that have adapted to changes in salinity Bottomland Hardwoods LIFE GATHERS AROUND Coastal shorelines, shallow bays and inlets, swamps, marshes, mud flats and deltas Riparian & Spring-fed WETLANDS, AND WETLANDS Trans-Pecos Springs & Wetlands SUPPORT LIFE. FRESHWATER WETLANDS Riparian Rainfall, springs, rivers and other sources Wetlands TEXAS WETLANDS ARE Plants that survive fluctuating water Coastal Marshes & conditions ONE OF OUR MOST PRECIOUS Prairie Depressions AND THREATENED Riverbanks, streamsides, lake shores, floodplains, bottomlands, marshes, seeps, ENVIRONMENTAL TREASURES. -
Species List
1 P.O. Box 16545 Portal, AZ. 85632 PH: (866) 900-1146 [email protected] www.naturalistjourneys.com Big Bend & Davis Mountains April 19-26, 2014 Guide: Woody Wheeler with six participants: Susie, Camille, Kathy, Trina, Les, and Mike SPECIES LIST Birds Gadwall Anas strepera–– At McNary Reservoir “Mexican Duck” (Mallard) A. platyrhynchos––pair seen well at small pond on Nature Conservancy preserve in Davis Mountains Blue-winged Teal A. discors–– 2 seen in same pond at TNC preserve, Davis Mountains Northern Shoveler A. clypeata––at McNary Reservoir Green-winged Teal A. crecca–– In roadside ponds between Ft. Davis and Alpine Ruddy Duck Oxyura jamaicensis–– In breeding plumage at McNary Reservoir Scaled Quail Callipepla squamata–– Coveys en route to and from Big Bend, Dugout Wells, Rio Grande Village and at Christmas Mountains Oasis Pied-billed Grebe Podilymbus podiceps–– Several at McNary Reservoir Eared Grebe Podiceps nigricollis–– One at McNary Reservoir, frequently diving Western Grebe Aechmophorus occidentalis––at least 2 at McNary Reservoir Clark’s Grebe A. clarkii–– One well lit in sunshine at McNary Reservoir Neotropic Cormorant Phalacrocorax brasilianus – One spotted in flight at Rio Grande Village Double-crested Cormorant Phalacrocorax auritus – Several over McNary Reservoir American White Pelican Pelicanus erythrorhyncros – Ten flew overhead in formation above McNary Reservoir Great Blue Heron Ardea herodias–– Several on Rio Grande River Great Egret Ardea alba–– Several at McNary Reservoir Snowy Egret Egretta thula–– A half-dozen perched conspicuously at McNary Reservoir Green Heron Butorides virescens–– Beautiful look at one perched on snag along Nature Trail board walk at Rio Grande Village, Big Bend N.P. -
West Texas Geological Society Publications and Contents Purchase from West Texas Geological Society
West Texas Geological Society Publications and Contents Purchase from West Texas Geological Society: http://www.wtgs.org/ 77-68 Geology of the Sacramento Mountains Otero County, New Mexico Regional Distribution of Phylloid Algal Mounds in Late Pennsylvanian and Wolfcampian Strata of Southern New Mexico James Lee Wilson Growth History of a Late Pennsylvanian Phylloid Algal Organic Buildup, Northern Sacramento Mains, New Mexico D.F. Toomey, J.L. Wilson, R. Rezak Paleoecological Evidence on the Origin of the Dry Canyon Pennsylvanian Bioherms James M. Parks Biohermal Submarine Cements, Laborcita Formation (Permian), Northern Sacramento Mountains, New Mexico John M. Cys and S.J. Mazzullo Carbonate and Siliciclastic Facies of the Gobbler Formation John C. Van Wagoner The Rancheria Formation: Mississippian Intracratonic Basinal Limestones Donald A. Yurewicz Stratigraphic and Structural Features of the Sacramento Mountain Escarpment, New Mexico Lloyd C. Pray Conglomeratic Lithofacies of the Laborcita and Abo Formations ( Wolfcampian), North Central Sacramento Mountains: Sedimentology and Tectonic Importance David J. Delgado Paleocaliche Textures from Wolfcampian Strata of the Sacramento Mountains, New Mexico David J. Delgado Introduction to Road Logs Lloyd C. Pray Alamogordo to Alamo Canyon and the Western Sacramento Mountains Escarpment Field Guide and Road Log “A” Lloyd C. Pray Supplemental Field Guide to Southernmost Sacramento Mountains Escarpment – Agua Chiquita and Nigger Ed Canyons Lloyd C. Pray Alamogordo to Indian Wells Reentrant Field Guide and Road Log “B” Lloyd C. Pray Guide Locality B-1-West End of Horse Ridge John C. Van Wagoner 1 Field Guide and Road Log “C” Lloyd C. Pray Plate Shaped Calcareous Algae in Late Paleozoic Rocks of Midcontinent (abstract): James M. -
Geochronology of the Trans-Pecos Texas Volcanic Field John Andrew Wilson, 1980, Pp
New Mexico Geological Society Downloaded from: http://nmgs.nmt.edu/publications/guidebooks/31 Geochronology of the Trans-Pecos Texas volcanic field John Andrew Wilson, 1980, pp. 205-211 in: Trans Pecos Region (West Texas), Dickerson, P. W.; Hoffer, J. M.; Callender, J. F.; [eds.], New Mexico Geological Society 31st Annual Fall Field Conference Guidebook, 308 p. This is one of many related papers that were included in the 1980 NMGS Fall Field Conference Guidebook. Annual NMGS Fall Field Conference Guidebooks Every fall since 1950, the New Mexico Geological Society (NMGS) has held an annual Fall Field Conference that explores some region of New Mexico (or surrounding states). Always well attended, these conferences provide a guidebook to participants. Besides detailed road logs, the guidebooks contain many well written, edited, and peer-reviewed geoscience papers. These books have set the national standard for geologic guidebooks and are an essential geologic reference for anyone working in or around New Mexico. Free Downloads NMGS has decided to make peer-reviewed papers from our Fall Field Conference guidebooks available for free download. Non-members will have access to guidebook papers two years after publication. Members have access to all papers. This is in keeping with our mission of promoting interest, research, and cooperation regarding geology in New Mexico. However, guidebook sales represent a significant proportion of our operating budget. Therefore, only research papers are available for download. Road logs, mini-papers, maps, stratigraphic charts, and other selected content are available only in the printed guidebooks. Copyright Information Publications of the New Mexico Geological Society, printed and electronic, are protected by the copyright laws of the United States. -
BIRDS of the TRANS-PECOS a Field Checklist
TEXAS PARKS AND WILDLIFE BIRDS of the TRANS-PECOS a field checklist Black-throated Sparrow by Kelly B. Bryan Birds of the Trans-Pecos: a field checklist the chihuahuan desert Traditionally thought of as a treeless desert wasteland, a land of nothing more than cacti, tumbleweeds, jackrabbits and rattlesnakes – West Texas is far from it. The Chihuahuan Desert region of the state, better known as the Trans-Pecos of Texas (Fig. 1), is arguably the most diverse region in Texas. A variety of habitats ranging from, but not limited to, sanddunes, desert-scrub, arid canyons, oak-juniper woodlands, lush riparian woodlands, plateau grasslands, cienegas (desert springs), pinyon-juniper woodlands, pine-oak woodlands and montane evergreen forests contribute to a diverse and complex avifauna. As much as any other factor, elevation influences and dictates habitat and thus, bird occurrence. Elevations range from the highest point in Texas at 8,749 ft. (Guadalupe Peak) to under 1,000 ft. (below Del Rio). Amazingly, 106 peaks in the region are over 7,000 ft. in elevation; 20 are over 8,000 ft. high. These montane islands contain some of the most unique components of Texas’ avifauna. As a rule, human population in the region is relatively low and habitat quality remains good to excellent; habitat types that have been altered the most in modern times include riparian corridors and cienegas. Figure 1: Coverage area is indicated by the shaded area. This checklist covers all of the area west of the Pecos River and a corridor to the east of the Pecos River that contains areas of Chihuahuan Desert habitat types. -
Texas Describes a Great Bend Between the Town of Van Horn, Tex., on BIG BEND the West, and Langtry, Tex., on the East
Big Bend NATIONAL PARK Texas describes a great bend between the town of Van Horn, Tex., on BIG BEND the west, and Langtry, Tex., on the east. During its 107-mile journey along the boundary of the park, NATIONAL PARK the river passes mainly through sandy lowlands and between banks overgrown with dense jungles of reeds. But 3 times in CONTENTS its course it cuts through 1,500-foot-deep canyons that were Page carved by its waters over a period of hundreds of thousands of Welcome 2 years. Land of the Big Bend 2 Within the park itself is a wild kind of scenery that is more Where to Go—and When 4 like that of Mexico, across the river, than that of the rest of the Taking Pictures 10 United States. The Naturalist Program 11 The desert is gouged by deep arroyos, or gullies, that expose Geology 11 colored layers of clay and rock. On this flatland, where many varieties of cactuses and other desert plants grow, birds and Plants 12 mammals native to both countries make their homes. Animals 13 Rugged mountain ranges, near and far, give assurance that Seasons 14 the desert is not endless. In the very center of the strange Big Bend's Past and Future 15 scene soar the most spectacular mountains in this part of the Other Publications 19 country—the Chisos. Their eroded peaks look like distant forts How to Reach the Park 19 and castles as they rise some 4,000 feet above the desert floor. Where to Stay 20 To the east the magnificent, stratified Sierra del Carmen guards Services 20 that border of the park, and to the south the little-known moun Precautions 21 tains of the Fronteriza disappear into the vastness of Mexico. -
Brewster County
RESOURCES OF THE BIG BEND - BREWSTER COUNTY – BIG BEND NATIONAL PARK, BIG BEND RANCH STATE PARK, TEXAS PARKS & WILDLIFE MANAGEMENT AREAS, LA LINDA, STILLWELL RANCH STORE & TERLINGUA (STUDY BUTTE) For information on Lajitas (Golf Resort & Spa), please see the “Lajitas” section. Contents: Brewster County General Information County Offices & County Services County Facilities Hospital Hotels & Resorts South County Southeastern County Western County Telecommunications & Internet Service Provider Brewster County Mountains, Special Events & Landmarks Big Bend National Park – SBB General Information Park Location Highlights Park School Big Bend Ranch State Park – SBB BBRSP General Information Black Gap Wilderness Wildlife Management Area – SBB Black Gap General Information Elephant Mountain Wildlife Management Area Elephant Mountain General Information Brewster County Automotive, Motorcycle Repair, Parts & Service & Rental Fuel, Convenience Stores & Light Service Stations Brewster County Banks Brewster County Churches Big Bend Guides, Guided Tours & Expeditions Brewster County Hardware, Galleries, Stores & Shops Brewster County Media Brewster County Ranches Brewster County Restaurants, Saloons & Liquor Stores Brewster County Roads & Highways Brewster County Transportation Airports Air Service Ground BREWSTER COUNTY GENERAL INFORMATION Brewster County, Texas’ largest county at 6,183 square miles (the 39th largest county in the U.S.), has a population of fewer than 9,500, of which 6,000 are in the county seat in Alpine. The eighth largest National Park in the U.S., the Big Bend, resides in the southern portion of the county. Brewster County is home to the legendary Chili Cookoffs in the equally legendary Terlingua. The county is also home to the communities of Alpine, Marathon, Terlingua, Study Butte, Stillwell’s Ranch, Lajitas, the Big Bend National Park and some of the Big Bend Ranch State Park. -
Texas Mountain Trail Region
Guadalupe Mountains National Park reathtaking mountains and high-country hikes. Sheer river canyons and winding back roads. BB Exotic desert panoramas and star-studded nights. These sights and more delight visitors at every turn in the six Far West Texas counties of the Texas Mountain Trail Region. Stretched across two time zones, Central and Mountain, this far-flung region is a geological wonder. During the Permian period more than 250 million years ago, the land lay near the equator in the supercontinent of Pangea. Continental shifting and volcanic action eventually thrust the land upward; millennia of wind and water eroded it, sculpting majestic mountains and mesas. Dinosaurs roamed for millions of years when the land bordered a shallow sea. The Rio Grande gradually carved a deep notch in the mountains, creating a natural river crossing that Spanish explorers named El Paso del Norte. The river also created glorious canyons in today’s Big Bend National Park. Throughout the centuries, the climate grew hotter and the land drier. To survive, wildlife and prehistoric hunter-gatherers adapted to desert conditions. Later, diverse groups — Native Americans and Spanish missionaries, soldiers and miners, ranchers and railroaders –– passed this way in search of wealth, glory and new beginnings. A century before the Pilgrims landed at Plymouth Rock, Spanish explorer Álvar Núñez Cabeza de Vaca traveled with the first European expedition here in the 1530s. He encountered agricultural communities and scattered nomadic tribes. Later Spanish expeditions introduced horses, cattle, sheep and wheeled vehicles to natives. The Land ★ ★ ★ ★ of Endless Vistas Enjoy nature’s solitude in the Chisos Mountains of Big Bend National Park. -
Trans-Pecos Magmatism Part 9
Part 9 ! Fig. 108. Needle Peak diatreme and dike viewed from the west. ! Fig. 109. Crustal xenoliths in Needle Peak diatreme. Needle Peak diatreme !368 Eastern termination of W-E dike, choked with crustal xenoliths. Long & Lat Quadrangle 104 47, 30 42.5 Ninetysix Ranch Related to Rim Rock dikes? !Reference: Dasch et al., 1969 !Miocene dikes and lavas associated with Basin-and-Range faulting Sample SM84051 Alkali basalt plug. According to C.D. Henry (personal communication, 2003), this is part of the ~24 Ma Basin & Range-related intrusions, not related to Sawmill Mountain. - SiO2 TiO2 AL2O3 Fe203 FeO FeO* MnO MgO CaO Na2O K2O P2O5 H2O+ H2O CO2 LOI Total 45.10 2.14 14.50 2.92 7.00 9.63 0.16 10.10 9.85 3.63 0.97 0.16 1.50 0.30 0.10 98.88 Sc V Ni Cu Zn Rb Sr Y Zr Nb Cs Ba La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb 30 810 20 180 60 Lu Hf Ta Pb Th U MALI @ SiO2 (Na2O+K2O) A.I. Mg# Nb/Zr Y/Nb -5.11 46.50 4.74 0.49 51.2 0.33 0.33 !Ross and Lambert, 1986 Mafic dike north of Terlingua This contains spinel lherzolite and crustal xenoliths, and olivine, clinopyroxene, plagioclase, magnetite and ilmenite. Long & Lat Quadrangle Age, Ma: 24.1 ±0.6 (K-Ar, plagioclase) 103°35.7’, 29°22.2’ Terlingua Sample 8204 Hawaiite. - SiO2 TiO2 Al2O3 Fe203 FeO FeO* MnO MgO CaO Na2O K2O P2O5 H2O+ H2O CO2 LOI Total 46.37 2.20 15.92 1.07 8.90 9.86 0.16 9.35 9.92 4.19 1.35 0.58 100 Sc V Ni Cu Zn Rb Sr Y Zr Nb Cs Ba La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er 228 25 775 28 209 65 0.43 2613 62.4 119 49.5 8.71 2.72 1.47 Tm Yb Lu Hf Ta Pb Th U 2.19 0.34 5.62 2.09 5.82 MALI @ SiO2 (Na2O+K2O) A.I.