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Appendix E Herd Management Areas 293

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TABLE E-1  All Herd Management Areas (HMA) Sorted by Total Estimated Equid Population 294 Species Total Estimated Managed on Horse AML Estimated Horse Burro AML Estimated Burro Equid Herd Management Area HMA Higha Population Higha Population Population State Cibola-Trigo Both 150 367 285 805 1,172 AZ Twin Peaks Both 758 952 116 192 1,144 CA Pancake Horses 493 1,005 0 0 1,005 NV Little Owyhee Horses 298 936 0 0 936 NV Adobe Town Horses 800 886 0 0 886 WY Black Mountain Horses 0 0 478 800 800 AZ Jackson Mountains Horses 217 660 0 0 660 NV Antelope Valley Horses 259 608 0 0 608 NV Clan Alpine Horses 979 560 0 0 560 NV Desatoya Horses 180 543 0 0 543 NV Beatys Butte Horses 250 532 0 0 532 OR Eagle Horses 210 522 0 0 522 NV Wassuk Horses 165 519 0 0 519 NV Wheeler Pass Both 66 328 35 182 510 NV Spruce-Pequop Horses 82 508 0 0 508 NV Buffalo Hills Horses 314 498 0 0 498 NV Maverick-Medicine Horses 276 489 0 0 489 NV Cedar Mountain Horses 390 464 0 0 464 UT New Pass-Ravenswood Horses 566 459 0 0 459 NV Pilot Mountain Horses 415 442 0 0 442 NV Augusta Mountains Horses 308 437 0 0 437 NV Triple B Horses 518 415 0 0 415 NV Lake Pleasant Burros 0 0 208 411 411 AZ Muskrat Basin Horses 250 405 0 0 405 WY Divide Basin Horses 600 400 0 0 400 WY Snowstorm Mountains Horses 140 400 0 0 400 NV Seven Troughs Both 156 298 46 88 386 NV Johnnie Burros 0 86 108 290 376 NV Lava Beds Both 148 340 16 22 362 NV Salt Wells Creek Horses 365 360 0 0 360 WY Alamo Burros 0 0 160 351 351 AZ Nevada Wild Horse Range Horses 500 312 0 38 350 NV Antelope Horses 324 349 0 0 349 NV

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Sand Wash Basin Horses 362 327 0 0 327 CO Challis Horses 253 322 0 0 322 ID Sulphur Horses 250 320 0 0 320 UT Swasey Horses 100 292 0 0 292 UT Rock Creek Horses 250 288 0 0 288 NV Diamond Horses 151 287 0 0 287 NV Fox-Lake Range Horses 204 285 0 0 285 NV Calico Mountains Horses 333 267 0 0 267 NV Silver King Horses 128 262 0 0 262 NV Green Mountain Horses 300 258 0 0 258 WY North Stillwater Horses 205 255 0 0 255 NV Big Sandy Burros 0 0 139 250 250 AZ South Shoshone Horses 100 250 0 0 250 NV Callaghan Horses 237 249 0 0 249 NV Stone Cabin Horses 364 246 0 0 246 NV Diamond Hills South Horses 22 246 0 0 246 NV Bible Spring Horses 60 241 0 0 241 UT South Steens Horses 304 229 0 0 229 OR Roberts Mountain Horses 150 229 0 0 229 NV Pine Nut Mountains Horses 179 218 0 0 218 NV Fish Creek Horses 180 215 0 0 215 NV Granite Range Horses 258 207 0 0 207 NV Onaqui Mountain Horses 210 206 0 0 206 UT White Mountain Horses 300 205 0 0 205 WY Sand Springs West Horses 49 200 0 0 200 NV Coyote Lake/Alvord Tules Springs Horses 390 198 0 0 198 OR Confusion Horses 115 188 0 0 188 UT Piceance-East Douglas Creek Horses 235 183 0 0 183 CO Range Creek Horses 125 179 0 0 179 UT Gold Butte Burros 0 0 98 176 176 NV Diamond Hills North Horses 37 176 0 0 176 NV Warm Springs Canyon Both 175 140 24 34 174 NV Massacre Lakes Horses 35 172 0 0 172 CA Pryor Mountain Wild Horse Range Horses 120 170 0 0 170 MT Warm Springs Both 202 133 25 35 168 OR Frisco Horses 60 168 0 0 168 UT Marietta Wild Burro Range Burros 0 20 104 144 164 NV 295 continued

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TABLE E-1  Continued 296 Species Total Estimated Managed on Horse AML Estimated Horse Burro AML Estimated Burro Equid Herd Management Area HMA Higha Population Higha Population Population State Sheepshead/Heath Creek Horses 302 161 0 0 161 OR Bald Mountain Horses 215 160 0 0 160 NV Owyhee Horses 231 156 0 0 156 NV Little Fish Lake Horses 39 154 0 0 154 NV Paisley Desert Horses 150 146 0 0 146 OR Kamma Mountains Horses 77 146 0 0 146 NV Little Book Cliffs Wild Horse Range Horses 150 145 0 0 145 CO Chocolate-Mule Mountains Burros 0 0 133 144 144 CA Chemehuevi Burros 0 0 121 143 143 CA McCullough Peaks Horses 140 143 0 0 143 WY Nightingale Mountains Horses 63 126 0 17 143 NV Havasu Burros 0 0 166 142 142 AZ Shawave Mountains Horses 73 140 0 0 140 NV Rocky Hills Horses 143 139 0 0 139 NV Dishpan Butte Horses 100 139 0 0 139 WY Goshute Horses 123 136 0 0 136 NV Seven Mile Horses 50 129 0 0 129 NV Fox Hog Horses 220 126 0 0 126 CA Stewart Creek Horses 175 124 0 0 124 WY Fifteenmile Horses 160 122 0 0 122 WY Conant Creek Horses 100 123 0 0 123 WY Red Rock Both 27 58 49 65 123 NV Saulsbury Horses 40 121 0 0 121 NV Hard Trigger Horses 130 119 0 0 119 ID Bullfrog Burros 0 0 91 118 118 NV Montezuma Peak Horses 4 47 0 67 114 NV Sinbad Burros 0 0 70 113 113 UT Centennial Horses 34 40 0 69 109 CA Canyon Lands Burros 0 0 100 104 104 UT Reveille Horses 138 101 0 0 101 NV Montgomery Pass Horses 80 100 0 0 100 NV Bordo Atravesado Horses 60 96 0 0 96 NM Blue Wing Mountains Both 36 63 28 32 95 NV

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Carter Reservoir Horses 35 95 0 0 95 CA Conger Horses 80 91 0 0 91 UT Cold Spring Horses 150 90 0 0 90 OR Buckhorn Horses 85 88 0 0 88 CA Muddy Creek Horses 125 86 0 0 86 UT Flanigan Horses 125 80 0 0 80 NV Garfield Flat Horses 125 83 0 0 83 NV Rock Creek Mountain Horses 86 83 0 0 83 WY High Rock Horses 120 78 0 0 78 CA Lost Creek Horses 82 77 0 0 77 WY Antelope Hills Horses 82 76 0 0 76 WY Silver Peak Burros 0 75 6 0 75 NV Jackies Butte Horses 150 75 0 0 75 OR Three Fingers Horses 150 75 0 0 75 OR Sand Springs Horses 200 74 0 0 74 OR Black Rock Range East Horses 93 74 0 0 74 NV Black Rock Range West Horses 93 74 0 0 74 NV Crooks Mountain Horses 85 72 0 0 72 WY Little Colorado Horses 100 70 0 0 70 WY Fort Sage Horses 29 67 0 0 67 CA Coppersmith Horses 75 64 0 0 64 CA Black Mountain Horses 60 61 0 0 61 ID Cerbat Mountains Horses 90 60 0 0 60 AZ Four Mile Horses 60 59 0 0 59 UT Chloride Canyon Horses 30 59 0 0 59 UT Hickison Summit Burros 0 0 45 57 57 NV Four Mile Horses 60 54 0 0 54 ID Murderers Creek Horses 35 53 0 0 53 OR Kiger Horses 82 51 0 0 51 OR Goldfield Burros 0 20 37 30 50 NV Sand Basin Horses 64 49 0 0 49 ID Whistler Mountain Horses 24 49 0 0 49 NV Stinkingwater Horses 80 48 0 0 48 OR Palomino Buttes Horses 64 47 0 0 47 OR Tilly Creek Horses 50 46 0 0 46 UT McGee Mountain Burros 0 0 41 45 45 NV Pokegama Horses 50 45 0 0 45 OR 297 continued

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TABLE E-1  Continued 298 Species Total Estimated Managed on Horse AML Estimated Horse Burro AML Estimated Burro Equid Herd Management Area HMA Higha Population Higha Population Population State Hog Creek Horses 50 43 0 0 43 OR Spring Creek Basin Horses 65 42 0 0 42 CO North Hills Horses 36 40 0 0 40 UT Saylor Creek Horses 50 35 0 0 35 ID Wall Canyon Horses 25 34 0 0 34 CA Waucoba-Hunter Mountain Burros 0 0 11 33 33 CA Riddle Mountain Horses 56 33 0 0 33 OR Tobin Range Horses 42 32 0 0 32 NV Nut Mountain Horses 55 31 0 0 31 CA Choke Cherry Horses 30 30 0 0 30 UT Fish Lake Valley Horses 54 29 0 0 29 NV Round Mountain Horses 10 27 0 0 27 CA Paymaster Horses 38 26 0 0 26 NV New Ravendale Horses 25 24 0 0 24 CA Red Rock Lakes Horses 25 23 0 0 23 CA Little Humboldt Horses 80 22 0 0 22 NV North Monitor Horses 8 22 0 0 22 NV Hot Creek Horses 41 21 0 0 21 NV Liggett Table Horses 25 20 0 0 20 OR Lahontan Horses 10 20 0 0 20 NV Stonewall Burros 0 0 8 19 19 NV South Stillwater Horses 16 19 0 0 19 NV Bitner Horses 25 15 0 0 15 CA Mount Elinor Horses 25 15 0 0 15 UT Dogskin Mountains Horses 15 14 0 0 14 NV Carracas Mesa Horses 23 12 0 0 12 NM Granite Peak Horses 18 11 0 0 11 NV Kingtop Horses 40 10 0 0 10 UT Gold Mountain Burros 0 8 78 1 9 NV Chicago Valley Horses 12 6 0 0 6 CA Muddy Mountains 0 6 0 0 6 NV Piper Mountain Both 17 0 82 0 0 CA Horse Mountain Horses 95 0 0 0 0 NV

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Palmetto Horses 76 0 0 0 0 NV Lee Flat Burros 0 0 15 0 0 CA Fort Sage Horses 36 0 0 0 0 NV Amargosa Valley 0 0 0 0 0 NV Ash Meadows 0 0 0 0 0 NV El Dorado Mountains 0 0 0 0 0 NV aUpper bound of appropriate management level (AML). SOURCE: Bureau of Land Management. 2012. Wild Horse and Burro Program Data. Available online at http://www.blm.gov/pgdata/etc/medialib/blm/wo/­ Planning_and_Renewable_Resources/wild_horses_and_burros/statistics_and_maps.Par.13260.File.dat/HAHMAstats2012Final.pdf. Accessed October 23, 2012. 299

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TABLE E-2  All Horse-Only Herd Management Areas Sorted by Population-Size Estimate 300 Most Recent Horse AML Estimated Horse Inventory Last Gather Herd Management Area Higha Horse AML Lowb Population Month-Year Month-Year State Sampled Saylor Creek 50 50 5 Sep-2010 Sep-2010 ID Chicago Valley 12 0 6 Jan-2011 Oct-2010 CA Nut Mountain 55 30 6 Jun-2010 Sep-2007 CA Carter Reservoir 35 25 7 Jun-2010 Sep-2009 CA Kingtop 40 20 10 Feb-2006 Aug-2000 UT Carracas Mesa 23 no low 12 Dec-2005 NM Mount Elinor 25 15 15 Feb-2010 Jan-2011 UT Fish Lake Valley 54 no low 16 Feb-2010 Feb-2005 NV Lahontan 10 7 17 Nov-2010 Nov-2010 NV Hot Creek 41 no low 18 Aug-2007 Dec-2004 NV Red Rock Lakes 25 16 19 Oct-2010 Feb-2011 CA South Stillwater 16 8 19 NV New Ravendale 25 10 20 Nov-2009 Sep-2009 CA Paymaster 38 23 20 Feb-2010 Oct-2006 NV Round Mountain 10 0 23 Oct-2009 CA Liggett Table 25 10 24 Aug-2009 Sep-2009 OR Tobin Range 42 25 26 Sep-2010 Nov-2009 NV Dogskin Mountains 15 10 30 Apr-2010 Dec-2005 NV Choke Cherry 30 no low 30 Dec-2009 Jan-2011 UT North Monitor 8 no low 31 Sep-2007 Aug-2005 NV North Hills 36 12 33 Feb-2011 Dec-2010 UT Fort Sage 29 24 34 Sep-2008 Sep-1998 CA Hog Creek 50 30 36 Sep-2009 Nov-2009 OR Four Mile 60 30 36 Mar-2009 Jul-2009 UT Palomino Buttes 64 32 39 Sep-2005 Dec-2009 OR Sand Basin 64 33 40 Nov-2009 Oct-2009 ID Stinkingwater 80 40 40 Jul-2009 Aug-2010 OR Four Mile 60 37 44 Nov-2009 Oct-2009 ID Whistler Mountain 24 14 44 Sep-2008 NV Pokegama 50 30 46 Oct-2004 Jun-2000 OR Bitner 25 15 48 Jun-2010 Sep-2007 CA Black Mountain 60 30 48 Nov-2010 Nov-2010 ID Tilly Creek 50 20 48 Mar-2009 Jul-2010 UT

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Chloride Canyon 30 15 49 Feb-2011 Sep-2009 UT Blue Wing Mountains 36 22 51 Nov-2005 Nov-2005 NV ü Bordo Atravesado 60 40 51 Jun-2009 Jan-2011 NM Cerbat Mountains 90 not set 60 Aug-2006 Feb-2001 AZ Little Humboldt 80 48 66 Apr-2011 Jul-2010 NV ü Riddle Mountain 56 33 68 Apr-2010 Oct-2007 OR Granite Peak 18 11 70 Apr-2010 Jan-2010 NV Black Rock Range East 93 56 71 Jun-2010 Jan-2010 NV ü Bible Spring 60 30 72 Mar-2009 Dec-2010 UT Muddy Creek 125 30 72 Jun-2009 Jul-2009 UT Sand Springs 200 100 72 Jun-2010 Sep-2006 OR ü Buckhorn 85 59 73 Nov-2009 Dec-2009 CA Coppersmith 75 50 73 Nov-2009 Dec-2009 CA Spring Creek Basin 65 35 74 Jun-2010 Aug-2007 CO ü Cold Spring 150 75 75 Mar-2010 Jul-2010 OR Conger 80 40 76 Mar-2011 Sep-2010 UT Reveille 138 83 76 Feb-2010 Sep-2010 NV ü Rock Creek Mountain 86 50 77 Jul-2010 Jul-2009 WY Montgomery Pass 0 not set 79 Sep-1998 NV Little Fish Lake 39 no low 85 Aug-2009 Feb-2006 NV ü Wall Canyon 25 15 88 Jun-2010 Sep-2007 CA Hard Trigger 130 66 93 Nov-2010 Nov-2010 ID Kiger 82 51 100 Apr-2010 Oct-2007 OR ü Nightingale Mountains 63 38 101 Nov-2005 Dec-2005 NV Fifteenmile 160 70 107 Nov-2009 Nov-2009 WY Garfield Flat 125 75 112 Oct-2009 Oct-2009 NV ü Shawave Mountains 73 44 112 Nov-2005 Nov-2005 NV Goshute 123 74 113 Oct-2010 Feb-2011 NV Rocky Hills 143 90 113 Nov-2010 Dec-2010 NV ü Crooks Mountain 85 65 115 Aug-2010 Aug-2006 WY Paisley Desert 150 60 117 Nov-2009 Dec-2009 OR ü Kamma Mountains 77 46 119 Nov-2005 Dec-2005 NV ü Conant Creek 100 60 120 Jul-2010 Jul-2009 WY McCullough Peaks 140 70 124 Feb-2011 Oct-2009 WY ü Little Book Cliffs Wild Horse Range 150 90 135 Jun-2010 Sep-2007 CO ü Bald Mountain 215 129 136 Nov-2010 Dec-2010 NV Frisco 60 12 140 Jan-2010 Aug-2006 UT 301 continued

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TABLE E-2  Continued 302 Most Recent Horse AML Estimated Horse Inventory Last Gather Herd Management Area Higha Horse AML Lowb Population Month-Year Month-Year State Sampled Black Rock Range West 93 56 143 Jun-2010 Feb-2010 NV ü Diamond Hills North 37 22 145 Mar-2010 Jul-2004 NV Jackies Butte 150 75 147 Mar-2010 Oct-2007 OR ü Massacre Lakes 35 25 149 Jun-2010 Oct-1988 CA ü Range Creek 125 75 149 Feb-2010 Jul-2006 UT Dishpan Butte 100 50 155 Jul-2010 Jul-2009 WY Lost Creek 82 60 155 Aug-2010 Nov-2009 WY ü Confusion 115 70 157 Mar-2010 Sep-2010 UT Onaqui Mountain 210 121 159 Feb-2010 Oct-2009 UT Pryor Mountain Wild Horse Range 120 100 159 MT ü Granite Range 258 155 160 Jun-2010 Feb-2005 NV Antelope Hills 82 60 162 Aug-2010 Nov-2009 WY Seven Mile 50 no low 162 Sep-2007 Aug-2005 NV ü Fish Creek 180 108 163 Sep-2007 Feb-2006 NV Saulsbury 40 24 172 Aug-2009 Feb-2007 NV Owyhee 231 139 180 Apr-2011 Jul-2010 NV ü Pine Nut Mountains 179 118 182 Nov-2010 Dec-2010 NV Rock Creek 250 83 185 Apr-2011 Jul-2010 NV South Steens 304 159 191 Jul-2009 Nov-2009 OR ü Murderers Creek 35 13 198 Jan-2011 Feb-2011 OR Eagle 210 126 200 Oct-2010 Jan-2011 NV Silver King 128 76 200 Sep-2010 Oct-2010 NV ü Diamond Hills South 22 no low 202 Mar-2010 Jul-2004 NV Coyote Lake/Alvord Tule Springs 390 198 212 Jun-2010 Nov-2008 OR North Stillwater 205 123 214 Jul-2008 Jul-2008 NV ü Nevada Wild Horse Range 500 300 216 Sep-2009 Jul-2008 NV Callaghan 237 147 221 Nov-2010 Jan-2011 NV South Shoshone 100 60 224 Oct-2009 Jan-2009 NV ü Antelope 324 194 239 Oct-2010 Feb-2011 NV Swasey 100 60 243 Mar-2011 Jul-2007 UT Diamond 151 91 244 Mar-2010 Jul-2004 NV ü Fox-Lake Range 204 122 244 Jul-2008 Jul-2008 NV Roberts Mountain 150 90 248 Sep-2008 Jan-2008 NV

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Augusta Mountains 308 185 256 Jan-2011 Feb-2011 NV ü Little Colorado 100 69 256 Apr-2010 Dec-2007 WY Three Fingers 150 75 261 Mar-2010 Aug-2006 OR Sulphur 250 165 267 Nov-2010 Dec-2010 UT ü Sand Wash Basin 362 163 270 Jun-2010 Oct-2008 CO Challis 253 185 270 Jul-2010 Dec-2009 ID ü Stewart Creek 175 125 275 Aug-2010 Nov-2009 WY ü Lava Beds 148 89 277 Nov-2005 Dec-2005 NV Flanigan 125 80 278 Apr-2010 Oct-2006 NV Sand Springs West 49 29 285 Apr-2008 Jan-2006 NV ü Sheepshead/Heath Creek 302 161 293 Jun-2010 Nov-2008 OR Salt Wells Creek 365 251 300 Sep-2010 Nov-2010 WY Piceance-East Douglas Creek 235 135 320 Mar-2010 Oct-2010 CO ü Snowstorm Mountains 140 90 320 Apr-2011 Oct-2006 NV Muskrat Basin 250 160 359 Jul-2010 Jul-2009 WY Cedar Mountain 390 190 362 Feb-2009 Dec-2008 UT ü Wassuk 165 109 362 Apr-2010 NV Centennial 168 134 366 May-2010 Oct-2010 CA New Pass-Ravenswood 566 no low 396 Nov-2010 Jan-2011 NV ü Pilot Mountain 415 249 402 Jan-2011 Jan-2005 NV Buffalo Hills 314 188 415 Jan-2009 Jan-2009 NV Beatys Butte 250 100 416 Nov-2009 Sep-2009 OR ü Spruce-Pequop 82 49 423 Oct-2010 Feb-2011 NV Calico Mountains 333 200 450 Jun-2010 Feb-2010 NV High Rock 120 78 458 Jun-2010 Sep-2006 CA ü Stone Cabin 364 218 476 Aug-2009 Feb-2007 NV Fox Hog 220 120 479 Jun-2010 Aug-2005 CA Green Mountain 300 170 490 Aug-2010 Oct-2009 WY ü Clan Alpine 979 619 503 Dec-2010 Oct-2006 NV Antelope Valley 259 155 519 Oct-2010 Feb-2011 NV Desatoya 180 127 520 Apr-2010 Feb-2004 NV ü Jackson Mountains 217 130 520 Sep-2007 Sep-2007 NV White Mountain 300 205 545 Apr-2010 Nov-2007 WY Maverick-Medicine 276 166 553 Nov-2010 Aug-2006 NV ü Adobe Town 800 610 738 Sep-2010 Nov-2010 WY Little Owyhee 298 194 780 Apr-2011 Nov-2004 NV 303 continued

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TABLE E-2  Continued 304 Most Recent Horse AML Estimated Horse Inventory Last Gather Herd Management Area Higha Horse AML Lowb Population Month-Year Month-Year State Sampled Triple B 518 312 1,217 Nov-2010 NV ü Pancake 493 296 1,291 Jan-2006 NV Divide Basin 600 415 1,355 Nov-2009 Sep-2007 WY aUpper bound of appropriate management level (AML). bLower bound of appropriate management level. NOTE: The following Herd Management Aeas (HMAs) were removed from Table E-1: All HMAs with zero animals, AMLs of zero, or both; all HMAs with mixed burros and horses; and all burro-only HMAs. All remaining HMAs were numerically ordered by most recent population-size estimate. All HMAs with fewer than 50 horses were excluded. Every third HMA was systematically selected, resulting in 36 HMAs. Four additional HMAs that were used in Eberhardt et al. (1982) and Garrott et al. (1991a) were added to total 40 HMAs sampled. SOURCE: Spreadsheet and survey request based on information provided to the committee by the Bureau of Land Management in December 2011. To access the spread- sheet, contact the National Research Council’s Public Access Records Office at paro@nas.edu. Referenced articles are included in Chapter 2.

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TABLE E-3  Surveyed Horse Herd Management Areas Sorted by Population-Size Estimate Most Recent Horse Horse Estimated Horse Inventory Last Gather Herd Management Area AML Higha AML Lowb Population Month-Year Month-Year State Blue Wing Mountains 36 22 51 Nov-2005 Nov-2005 NV Little Humboldt 80 48 66 Apr-2011 Jul-2010 NV Black Rock Range East 93 56 71 Jun-2010 Jan-2010 NV Sand Springs 200 100 72 Jun-2010 Sep-2006 OR Spring Creek Basin 65 35 74 Jun-2010 Aug-2007 CO Reveille 138 83 76 Feb-2010 Sep-2010 NV Little Fish Lake 39 no low 85 Aug-2009 Feb-2006 NV Kiger 82 51 100 Apr-2010 Oct-2007 OR Garfield Flat 125 75 112 Oct-2009 Oct-2009 NV Rocky Hills 143 90 113 Nov-2010 Dec-2010 NV Paisley Desert 150 60 117 Nov-2009 Dec-2009 OR Kamma Mountains 77 46 119 Nov-2005 Dec-2005 NV McCullough Peaks 140 70 124 Feb-2011 Oct-2009 WY Little Book Cliffs Wild Horse Range 150 90 135 Jun-2010 Sep-2007 CO Black Rock Range West 93 56 143 Jun-2010 Feb-2010 NV Jackies Butte 150 75 147 Mar-2010 Oct-2007 OR Massacre Lakes 35 25 149 Jun-2010 Oct-1988 CA Lost Creek 82 60 155 Aug-2010 Nov-2009 WY Pryor Mountain Wilde Horse Range 120 100 159 MT Seven Mile 50 no low 162 Sep-2007 Aug-2005 NV Owyhee 231 139 180 Apr-2011 Jul-2010 NV South Steens 304 159 191 Jul-2009 Nov-2009 OR Silver King 128 76 200 Sep-2010 Oct-2010 NV North Stillwater 205 123 214 Jul-2008 Jul-2008 NV South Shoshone 100 60 224 Oct-2009 Jan-2009 NV Diamond 151 91 244 Mar-2010 Jul-2004 NV Augusta Mountains 308 185 256 Jan-2011 Feb-2011 NV Sulphur 250 165 267 Nov-2010 Dec-2010 UT Challis 253 185 270 Jul-2010 Dec-2009 ID Stewart Creek 175 125 275 Aug-2010 Nov-2009 WY Sand Springs West 49 29 285 Apr-2008 Jan-2006 NV Piceance-East Douglas Creek 235 135 320 Mar-2010 Oct-2010 CO 305 continued

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TABLE E-3  Continued 306 Most Recent Horse Horse Estimated Horse Inventory Last Gather Herd Management Area AML Higha AML Lowb Population Month-Year Month-Year State Cedar Mountain 390 190 362 Feb-2009 Dec-2008 UT New Pass-Ravenswood 566 no low 396 Nov-2010 Jan-2011 NV Beatys Butte 250 100 416 Nov-2009 Sep-2009 OR High Rock 120 78 458 Jun-2010 Sep-2006 CA Green Mountain 300 170 490 Aug-2010 Oct-2009 WY Desatoya 180 127 520 Apr-2010 Feb-2004 NV Maverick-Medicine 276 166 553 Nov-2010 Aug-2006 NV Triple B 518 312 1,217 Nov-2010 NV aUpper bound of appropriate management level (AML). bLower bound of AML. SOURCE: Spreadsheet and survey request based on information provided to the committee by the Bureau of Land Management in December 2011. To access the spreadsheet, contact the National Research Council’s Public Access Records Office at paro@nas.edu.