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Salmon Field Office OHV Designation

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ek k Burns Gulch re e Camel Gulch C e ill r m C Deadwater Gulch aw S k La k e Buster Gulch e le tl tt C k e i e ree L Maxwell Gulch r -m Fan Gulch Magpie Canyon amp C a w Off Highway Vehicle (OHV) Designations- Salmon Field Office - D g u S m la g p S i Cre ek B Napoleon Ridge Bobcat Gulch BLM-Administered Routes 100 101 Napoleon Stormy Peak Gulch 100 100 M oo Bear Gulch s e Cre e 102 k Napoleon Hill 103 Road Brushy Gulch Virginia Sawmill Gulch Tower Creek k Gulch Pirimids Day Gold Star ee k Gulch Cr ek e Use Area e re lle r Arrastra Point of Rock Comet C ve C Gulch ra ine r k G M Pine Creek e 110 111 Ajax Peak e Ridge r k 107 C ee ATV/Motorcycle Trail r Diamond Gulch r C e we Pine Creek s To o k 212 o e re 107 M Bird C 108 e tl 109 112 it L Sims Mine Tower Rock 333 Bea Campground 114 113 v Public Access Easement e r Copperhead C Ho Peak r rn e e 333 e t eek k Haystack C r 112 115 k 116 ree Mountain Badger ut C W ond o Jackass Ridge iam Cr Spring m D ee S e k OHV Designation Gulch b Allen f o C o 340 Ore Cash Mine t 117 r 331 93 ee Davis Canyon k C 150 re Sierra e 149 k Gulch ly Da C k Freeman Peak r e e re Golway Gulch k e e C 190 Closed to OHV Wallace C Freeman Cre k re ek 113 n me 138 148 Car 143 144 Monument Peak 329 147 pias Cre k 331 Na e 142 143 145 Cr eek 146 by 330 Morgan Bar 138 Ham D 141 139 J e Campground 138 e r Sacajawea f Queen of the ia R f 140 Seasonal Closure (12/16 - 4/30) e r r 152 Haidee Mine rs Hills Mine C e Peaks a o e k p n 137 153 p Carmen Geertson Cr 327 s Smith Gulch e Oregon Gulch 121 Shelter k C e 133 e k 132 165 re r Wards Gulch 328 Davis e C Gulch Italian e 136 y k rr Mine e E k 165 B n e 164 gl e S F re 131 er C a b Seasonal Closure (3/1 - 6/1) enster 129 Center Fork ne r g C P e 135 h i o a in 130 Mountain rt e a 165 u Gold Bug Ar o k w China n N C ett Je g Gulch Gulch s r Cre s e ek e C h re e ek C k 120 126 r e re e C ek Kirtley Creek B e k ob Moor 128 134 135 R 127 abb 119 Pion it 324 ee ek Forest Service Road ek r Cr e Cre 124 336 336 151 118 166 121 Discovery k r Jureano e 325 re e ve G Cre k Morning Glory Peak 93 Hill 122 164 C hnke Creek R i o Placer ny 123 125 y Ja le ve o 323 r o rn Turner Gulch Lemhi Valley a H Diggings P G 166 o 123 161 163 g r ackinaw i C M Pollard k B k Non-BLM Route C e r e ek e e ree Cre r e k Canyon e mpey C Missouri r Wi n k Salmon 159 rk ia Gulch 160 C o d F re Cre In n t O ek o s 154 B Phelan Ridge 158 s e t o r W Ringbone e h 169 a White Cayuse Mine 162 e Gutzman Ridge n G Horse n k ek 154 ee re o 168 Wilderness Study Area (non-motorized) Basin r s C C p n n Ch ip ark ors reek la C D h e C Phe 157 r e 156 e Hidden Cr k k e 170 ee ek 167 C r M 162 v r Baldy 155 e o ek to re Surface Management c n C c Phelan 171 S a 28 Le e a D k s Mountain m k i e n e h e e 269 i 171 r Goldstone r P C C k y a Gorley Cr R e Mine C r e i e e 261 267 i ee y k v p r n e 268 e a k r im C t S e 172 W y lw e u r 266 p r e Bureau of Land Management rv yo C S C 175 m e reek i k CL re e C 264 258 W k e e k e Cr k re re e rk C rk e e 257 262 259 o tt Pa r st F ra k C 322 268 Ea P yC r D 257 255 Goldstone oone ree e 174 M k e e 321 Mountain th p n Tormay Mine 176 a Cr 271 Shoup Bridge 274 U.S. Forest Service P e Perreau 255 Barracks Lane 173 e C reek Campground 256 k 320 Trailhead k 319 272 e Lo 257 176 re d 270 179 C g e y Bl 273 o p Deep Creek d o 274 254 n dyD o 318 280 178 a ic r Ridge 277 177 Eas Ce le L k t e S k C C C i Baker t H o 274 y t 180 r r o l E y k e 275 e e t State d 317 e e S Cre e e k k D e e k unice v e C e e k C e r 181 e e e Eightmile n r re 251 e p m C C F Day Use Area il ree Pope k C k 251 n y a e C Shenon o 182 e t r 177 r 251 n e w e n Mine g e Pepper e e 0 5 10 n n i K k C k 253 183 r Creek 270 h 191 e 270 t k i e ek Ridge 192 re Private k C W ee y Miles k r t 183 Kenney C it k e 313 309 rk K ree e Fo C r st Blackpine Ea Ho s C pp Mine 189 Jensen k M Cr r e ee ek e nry Cr 312 Idaho p e o H k p 188 e e 245 n P 315 re C t 250 a me Permission from land owner is required to cross 316 250 y 183 Gri s Creek 186 n ne 243 184 ree k T e C a e h e n 187 tte k m C 187 a i 185 e Williams Lake le P re C h C private land, unless access is provided by a Campground reek tc 249 Du Lake Mountain 309 Kenney Creek Swan Peak 309 Elevenmile Day Use Area 246 Federal,S State, or County road with legal access. p 314 93 r 194 in 309 Sal Harmony 246 193 g ileC Mountain Mine 248 reek C Twelvem r C r ee e k 247 e e Sharkey Hot m k lu Springs F k 310 310 K Mountain e 240 e r 242 Route data is subject to change. Please check with C 310 ek 239 k e Cr 237 241 Kelly Creek c Haynes 195 i 310 dt o 238 the local office prior to using travel network. o 236 Gould Basin W Moyer Peak k Ca mpCr e 234 e e r ek Camp Creek 223 River Access C k e e e 234 i r r ke C 232 i tle a Twin Peaks a at s n Briney Lak e r R 283 Baldy Basin P 218 195 231 e 28 T s 216 r r Goldbug Ridge Copper a o k k 229 il e e H re Degan Twin Peaks re 230 Queen Mine C C Mine Second Creek 215 Mc C r Jack s Mountain D y 228 e a s ev 220 d ek Bal A 214 itt C 227 l Tendoy W k re h e i a 196 195 k Agency Creek te l 210 C i 222 226 Campground ree C B 223 A k estF 307 197 225 gency r W o e r a L Badger 306 ost Creek 211 C reek e k d k Ir g on Basin 196 222 reek er r Dug Out Dicks k C Ce 195 223 Sh e e k 196 ar yCre e 195 k e e r 306 221 k C Lim August 2021 r e Sawmill C 197 e r Canyon R y 294 ee Mormon Canyon ap o Lime Creek k e Cr k 195 ee 206 B M Trailhead ek 202 k Big Dry Gulch l Peel Tree ek re 196 ee a Cre C 205 r c k G pring Basin e ras s C k e I Ry S 208 y e r Cr 204 d C S r o n e m d e r Copper Basin o C k 202 198 u C ek a ut de W a 196 M ow re h li North Basin C ny S k F Elk Bend o o e 196 r 203 n k k Ir e 207 196 S eek on r 199 h Cr e C 202 C enon e re C r r r e e C Taylor N rth k Goldbug Hot e o Fork k e e Ha ree p l C k Mountain t Springs b Poison Peak p 201 o o G s N Sheephorn Trailhead Watson ne s C r k C Mountain Peak o 200 r reek us a e Little H 287 C Dry Gulch 300 Midd ork 287 re 338 200 k le F H e e at e Creek 298 93 P First Basin k k onCr r 299 ha Napo Canyon ee ers ee nt arian Cr v k C om e k E n 297 Creek k Y For J ek e S e k th eff e s e r u D Cr n o a r Ramsey o avis u F 296 C So H t l H l Mountain h th a 301 t F u u C 289 o B o R r r S e i 302 ngl k M e ree E e C k Poi on C aid z e s r e k ra Cr eek 339 Iron Mountain n 303 e C k r Lemhi e 303 e 338 k Wards Butte Kilpatrick 304 289 Beaver Gulch 304 Day King 297 Use Area Mountain 288 No r rianCreek Montana t k ek Yea Sc h ree re hw rtz Cree F C C Hayden Basin a k ork im M ek Mc K c Nutt e H S r Idaho Big at C k Cre a l e e il e East and k lm r m C West Peak o w e n F McKimC a s C re S e Goat Mountain h e e South Gulch k l Re a i k e t e 288 e ti r L k ll l C d e is k e O a e Peterson Creek F L r ie f C fi l c h d e p Bear e O Va Z r lley C Ce ek ff ree McFarland on ic k ny Campground a e Struggle C k r e Gulch Grizzly Hill n C eek e o Lem Peak r D C Gulch Buckhorn Alli s C Maryland k Mine k e r re Mine k c C Commodore ree e u rt Kate Creek C v t i B o k a N h e Mine R o Cedar Gulch ittle H rth eek S e L F wCr r n ork Co C Berg-Green Gulch o t h k Swanson Gulch ig e lm Wr e a r C Hood Gulch S ek re k C e z tz e t Table adle rd Cr r K o ek a Mountain F re C w Apple S F ra n k Black Canyon E H Dad Creek a a l T s ob l t C ia Mollie Gulch F r s e C Waugh Gulch Cronks Canyon o e r e r k e k Long Mountain k H H a C Alder Creek Mineral Hill r k Pa a Ce o yd Sal t e e o e s y e k r s d p n e e C Cree C r k n r Bates Gulch i C r o e C v re Stroud Gulch r e r e th C e e e ree k r e k k Jack Smith k Hil d k Ellis Creek e s Gulch e Deer Gulch r e k Jakes Canyon R Cherry Creek ree C C e l Thompson y i ra k Gulch k M m B e o t re e g h k C e g g k e e r C i e e is Baby Joe r Pahsimeroi d C r E e a k e Gulch r k C r e e k g e Valley a e e i C e d e e e r k r P a r B g May Mountain n C C C Smokey Cubs a l o n W l il o Morgan Creek Li M is s S o ttle Campground r r k r k a Mill Mountain e o ic e k r C r M C e E l Left Fork e Fred and il r M Rock Canyon C Mary Draw C rgan Cre ol Leadore og Salmon Mo ek d B k C L k River r re ee Cree 28 East o ek Mogg Mountain Mountains F Ennis Gulch Rocky Canyon k C e se reek H r e or awl C M Te e r x yC e a r v s eek ra C Idaho C r e Spring Gulch St Creek e B Montana roud k i k g Devils Canyon e B Mud Spring e e S r a h k r C Gulch e C e e r r r e p a Gerry Gulch C k on e C T s ek e Creek k a r e r e r te e r e e e r C E v C b ek re r B e e k im re k r T e C k C l k a e p e l t i P t t t re r k it i C e il L L e e e Lemhi Range y D M 93 ir h Burnt Da Salmon Spring W Gulch P Fuller Gulch atte sr Blue Jay Mine Salmon Field Office on Dry Gulch C r ee k ee k k e Cr s e m r da C k A r Stephens ree ek e C Gunsight Peak re b Gulch aws on r C Baldy L mi Ellis ork k be rth F Leadoreree Ray Lode Mine im Mountain No e T T tl g n C it i Ch lis Creek o L Leadore Hill k al ork B ws North F e Round Valley a k L e e e Challis Swan Basin r S impson C Grouse Peak ork r r Dodge F C C Perk e l ek h n l Canyon Basin t si e 21 u a o B urc S k P 93 e re Penwell Gulch C y an Challis Field Office k g o e h e Dubois r a Eighteenmile 28 C M ex Creek r T u Devils Basin WSA h P lp a u h 15 s S i Mackay m ek ero Rocky Peak re White Hills 22 i R Grove Creek C i rk a r ve Ima Mine o Cle k Rexburg r F e yo Creek e rC e In k 33 La n e y C reek rd Arco Rock Ga Upper Snake Field Office ork k rk F Yellow Peak Cre e Pa k 20 c Ro Leaton Gulch Idaho Falls k Junction Peak e k re Sheephorn e e C Cr n Spud Basin Peak e o rc k o is Pe e P C z re lim Ne C 28 Horsethief b Creek n Canyon
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  • MAP SHOWING LOCATIONS of MINES and PROSPECTS in the DILLON Lox 2° QUADRANGLE, IDAHO and MONTANA

    MAP SHOWING LOCATIONS of MINES and PROSPECTS in the DILLON Lox 2° QUADRANGLE, IDAHO and MONTANA

    DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY MAP SHOWING LOCATIONS OF MINES AND PROSPECTS IN THE DILLON lox 2° QUADRANGLE, IDAHO AND MONTANA By JeffreyS. Loen and Robert C. Pearson Pamphlet to accompany Miscellaneous Investigations Series Map I-1803-C Table !.--Recorded and estimated production of base and precious metals in mining districts and areas in the Dillon 1°x2° guadrangle, Idaho and Montana [Production of other commodities are listed in footnotes. All monetary values are given in dollars at time of production. Dashes indicate no information available. Numbers in parentheses are estimates by the authors or by those cited as sources of data in list that follows table 2. <,less than; s.t., short tons] District/area Years Ore Gold Silver Copper Lead Zinc Value Sources name (s. t.) (oz) (oz) (lb) (lb) (lb) (dollars) of data Idaho Carmen Creek 18 70's-190 1 (50,000) 141, 226 district 1902-1980 (unknown) Total (50,000) Eldorado 1870's-1911 17,500 (350 ,000) 123, 226 district 1912-1954 (13,000) (8,000) (300,000) Total (650,000) Eureka district 1880's-1956 (13 ,500) 12,366 (2,680,000) 57,994 (4,000) ( 4,000 ,000) 173 Total (4,000,000) Gibbonsville 1877-1893 (unknown) district 1894-1907 (83,500) (1,670,000) 123, 226 1908-1980 ( <10 ,000) 123 Total (2,000,000) Kirtley Creek 1870's-1890 2,000 40,500 173 district 1890's-1909 (<10,000) 1910-1918 24,300 (500 ,000) 123 1919-1931 (unknown) 1932-1947 2,146 (75 ,000) 173 Total (620,000) McDevitt district 1800's.-1980 (80,000) Total (80,000) North Fork area 1800's-1980 (unknown) Total ( <10 ,000) Pratt Creek 1870's-1900 (50 ,000) district Total (50,000) Sandy Creek 1800 's-1900 (unknown) district 1901-1954 19,613 4,055 4,433 71,359 166,179 (310,000) 17 3, 200 Total (310 ,000) Montana Anaconda Range 1880's-1980 (<100,000) area Total (<100,000) Argenta district 1864-1901 (1 ,500 ,000) 1902-1965 311,796 72,241 562,159 604,135 18,189,939 2,009,366 5,522,962 88 Total (7,000,000) Baldy Mtn.
  • Chapter 3.6 Risk Assessment: Earthquake

    Chapter 3.6 Risk Assessment: Earthquake

    CHAPTER 3.6 RISK ASSESSMENT: EARTHQUAKE 3.6 Risk Assessment: Earthquake Description The location of an earthquake is commonly described by its focal depth and the geographic position of its epicenter. The focal depth of an earthquake is the depth from the Earth’s surface to the region where an earthquake’s energy originates, also called the focus or hypocenter. The epicenter of an earthquake is the point on the Earth’s surface directly above the hypocenter (Shedlock and Pakiser 1997). Earthquakes usually occur Figure 3.6.A. Earthquake Damage to the Custer Hotel in Mackay, 1983 without warning and their effects can impact areas of great distance from the epicenter (FEMA 2001). Idaho’s earthquakes result from three causes: • Plate Tectonics • Crustal Stretching • Hotspot/Volcanic Activity The surface of the earth (the crust) is made up of large masses, referred to as tectonic plates. Many of the world’s Source: Idaho Geological Survey 2009 earthquakes result from forces along the margins of these tectonic plates. These earthquakes occur when pressure resulting from these forces is released in a sudden burst of motion. Such earthquakes are produced in coastal California, Oregon, and Washington. The largest of these distant events may be felt in Idaho. However, most earthquakes in Idaho have origins (the epicenter) far from plate boundaries. Much of the earth’s crust in southern and central Idaho has undergone tremendous stretching, resulting in parallel, linear mountains and valleys. This region is called the Basin and Range and extends into the adjoining States of Montana, Utah, Wyoming, and Nevada. Basin and Range stretching is continuing today.