Love, J.D., Christiansen, A.C., and McGrew, L.W., compilers, 1978, Preliminary geologic map of the Gillette 1 degree by 2 degree quadrangle, northeastern Wyoming and western South Dakota: U.S. Geological Survey Open-File Report 78-343, scale 1:250,000. 4 Love, J.D., Christiansen, A.C., and Sever, C.K., compilers, 1980, Geologic map of the Torrington 1 degree by 2 degree quadrangle, southeastern Wyoming and western Nebraska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1184, scale 1:250,000. 12 Love, J.D., Denson, N.M., and Botinelly, Theodore, 1949, Geology of the Glendo area, Wyoming: U.S. Geological Survey Oil and Gas Investigations Preliminary Map 92, sh. 1, scale 1:48,000. 12 Love, J.D., and Keefer, W.R., 1975, Geology of sedimentary rocks in southern Yellowstone National Park, Wyoming: U.S. Geological Survey Professional Paper 729-D, 60 p.; pl. 1, scale 1:62,500. 1 Love, J.D., Keefer, W.R., Duncan, D.C., Bergquist, H.R., and Hose, R.K., 1951, Geologic map of the Spread Creek-Gros Ventre River area, Teton County, Wyo- ming: U.S. Geological Survey Oil and Gas Investigations Map OM-118, scale 1:48,000. [Additions by J.D. Love, 1980-82.] 5 Love, J.D., and Love, C.M., 1978, Geologic map of the Cache Creek quadrangle, Teton County, Wyoming: U.S. Geological Survey Open-File Report 78-480, scale 1:24,000. 5 Love, J.D., Prostka, H.J., and Weitz, J.L., U.S. Geological Survey unpublished mapping, 1982, scale 1:24,000. 5 Love, J.D., and Reed, J.C., Jr., 1973, Preliminary geologic map of the Colter Bay quadrangle, Teton County, Wyoming: U.S. Geological Survey Open-File Map, scale 1:24,000. 5 Love, J.D., and Reed, J.C., Jr., 1975, Geologic map of the Teton Village quadrangle, Teton County, Wyoming: U.S. Geological Survey Open-File Report 75-335, scale 1:24,000. 5 Love, J.D., and Reed, J.C., Jr., U.S. Geological Survey unpublished mapping, 1979, scale 1:24,000. 5 Love, J.D., and Weitz, J.L., 1951, Geologic map of the Powder River Basin and adjacent areas, Wyoming: U.S. Geological Survey Oil and Gas Investigations Map OM-122, scale 1:316,800. 3 Love, J.D., and Weitz, J.L., 1953, Geologic map of Albany County, Wyoming (revision): Geological Survey of Wyoming map, scale 1:158,400. 11, 12, 15, 16 Love, J.D., and Weitz, J.L., U.S. Geological Survey unpublished mapping, 1982, scale 1:24,000. 5 Love, J.D., Weitz, J.L., and Hose, R.K., compilers, 1955, Geologic map of Wyoming: U.S. Geological Survey, scale 1:500,000. 6, 7, 10 Lowry, M.E., and Crist, M.A., 1967, Geology and ground-water resources of Laramie County, Wyoming, With a section on Chemical quality of ground water and of sur- face water by J.R. Tilstra: U.S. Geological Survey Water-Supply Paper 1834, 71 p.; pl. 1, scale 1:125,000. 16 Lowry, M.E., Lowham, H.W., and Lines, G.C., 1976, Water resources of the Bighorn Basin, northwestern Wyoming: U.S. Geological Survey Hydrologic Investigations Atlas HA-512, sh. 1, scale 1:250,000. 7 Lowry, M.E., Rucker, S.J., IV, and Wahl, K.L., 1973, Water resources of the Laramie, Shirley, Hanna Basins, and adjacent areas, southeastern Wyoming: U.S. Geological Survey Hydrologic Investigations Atlas HA-471, sh. 1, scale 1:250,000. 11, 15 Lundy, D.A., 1978, Hydrology and geochemistry of the Casper aquifer in the vicinity of Laramie, Albany County, Wyoming: Wyoming Water Resources Research Institute, University of Wyoming, Water Resources Series 75, 76 p.; fig. 3, scale 1:31,250. 16 Lyon, D.L., 1956, Geology of the north flank, eastern Bridger Range, Hot Springs Coun- ty, Wyoming: University of Wyoming M.A. thesis, 95 p.; pl. 3, scale 1:24,000. 7 M Maars, R.W., University of Wyoming unpublished photointerpretation, 1983. 11. Madden, D.J., 1980, Geologic map and coal sections of the Bitter Creek NW quadrangle, Sweetwater County, Wyoming: U.S. Geological Survey Open-File Report 80-489, scale 1:24,000. 14 Madden, D.J., 1981, Geologic map and coal sections of the Point of Rocks quadrangle, Sweetwater County, Wyoming: U.S. Geological Survey Open-File Report 81-869, scale 1:24,000. 14 Manuscript maps from companies or private individuals, scale 1:63,360. [Names of authors withheld by request.] 10, 14, 15 Mapel, W.J., 1959, Geology and coal resources of the Buffalo-Lake DeSmet area, Johnson and Sheridan Counties, Wyoming: U.S. Geological Survey Bulletin 1078, 148 p.; pl. 1, scale 1:48,000. 3 Mapel, W.J., 1973, Preliminary geologic map of the Rawhide School quadrangle, Camp- bell County, Wyoming: U.S. Geological Survey Open-File Map, scale 1:24,000. 4 Mapel, W.J., 1976, Geologic map and coal sections of the Bar N Draw quadrangle, Wyo- ming and Montana: U.S. Geological Survey Miscellaneous Field Studies Map MF-763, sh. 1, scale 1:24,000. 3 Mapel, W.J., and Dean, B.W., 1976, Preliminary geologic map and coal sections, Ulm quadrangle, Sheridan County, Wyoming: U.S. Geological Survey Miscellaneous Field Studies Map MF-731, sh. 1, scale 1:24,000. 3 Mapel, W.J., and Dean, B.W., 1976, Geologic map and coal sections of the Verona quadrangle, Sheridan County, Wyoming: U.S. Geological Survey Miscellaneous Field Studies Map MF-762, sh. 1, scale 1:24,000. 3 Mapel, W.J., and Malahy, M.D., 1976, Geologic map and coal sections of the Buffalo Run Creek quadrangle, Sheridan County, Wyoming: U.S. Geological Survey Miscellaneous Field Studies Map MF-792, scale 1:24,000. 3 Mapel, W.J., and Pillmore, C.L., 1963, Geology of the Inyan Kara Mountain quadrangle, Crook and Weston Counties, Wyoming: U.S. Geological Survey Bulletin 1121-M, 56 p.; pl. 1, scale 1:48,000. 8 Mapel, W.J., and Pillmore, C.L., 1963, Geology of the Newcastle area, Weston County, Wyoming: U.S. Geological Survey Bulletin 1141-N, 85 p.; pl. 1, scale 1:48,000. 8 Mapel, W.J., and Pillmore, C.L., 1964, Geology of the Upton quadrangle, Crook and Weston Counties, Wyoming: U.S. Geological Survey Bulletin 1181-J, 54 p.; pl. 1, scale 1:48,000. 4 Masursky, Harold, 1962, Uranium-bearing coal in the eastern part of the Red Desert area, Wyoming: U.S. Geological Survey Bulletin 1099-B, 152 p.; pl. 1, scale 1:62,500. 10, 11, 14, 15 Maughan, E.K., 1972 [1973], Geologic map of the Devil Slide quadrangle, Hot Springs County, Wyoming: U.S. Geological Survey Geologic Quadrangle Map GQ-1041, scale 1:24,000. 6 Maughan, E.K., 1972, Geologic map of the Wedding of the Waters quadrangle, Hot Springs County, Wyoming: U.S. Geological Survey Geologic Quadrangle Map GQ-1042, scale 1:24,000. 6 McAndrews, Harry, 1963, Geologic map of the Riddle Cut Quadrangle, Carbon County, Wyoming: U.S. Geological Survey Mineral Investigations Field Studies Map MF-263, scale 1:24,000. 11 McAndrews, Harry, 1964, Geologic map of the Big Judson quadrangle, Albany County, Wyo- ming: U.S. Geological Survey Geologic Quadrangle Map GQ-390, scale 1:24,000. [Modified by D.L. Blackstone, Jr.] 16 McAndrews, Harry, 1964, Geologic map of the Cooper Lake South quadrangle, Albany Coun- ty, Wyoming: U.S. Geological Survey Geologic Quadrangle Map GQ-391, scale 1:24,000. [Modified by D.L. Blackstone, Jr.] 16 McAndrews, Harry, 1965, Geologic map of the Cooper Lake North quadrangle, Albany County, Wyoming: U.S. Geological Survey Geologic Quadrangle Map GQ-430, scale 1:24,000. [Modified by D.L. Blackstone, Jr.] 16 McAndrews, Harry, 1965, Geologic map of the Bosler quadrangle, Albany County, Wyoming: U.S. Geological Survey Geologic Quadrangle Map GQ-509, scale 1:24,000. [Modified by D.L. Blackstone, Jr.] 16 McAndrews, Harry, 1966, Geologic map of the Lake Ione quadrangle, Albany County, Wyo- ming: U.S. Geological Survey Geologic Quadrangle Map GQ-508, scale 1:24,000. [Modified by D.L. Blackstone, Jr.] 16 McCallum, M.E., 1968, Cenozoic history of the east-central Medicine Bow Moun- tains, Wyoming: The Mountain Geologist, v. 5, no. 2, p. 69-81. 15 McGrew, L.W., 1963, Geology of the Fort Laramie area, Platte and Goshen Coun- ties, Wyoming: U.S. Geological Survey Bulletin 1141-F, 39 p.; pl. 1, scale 1:31,680. 12 McGrew, L.W., 1967, Geologic map of the Antelope Gap quadrangle, Platte County, Wyo- ming: U.S. Geological Survey Geologic Quadrangle Map GQ-619, scale 1:24,000. 12 McGrew, L.W., 1967, Geologic map of the Bordeaux quadrangle, Platte County, Wyo- ming: U.S. Geological Survey Geologic Quadrangle Map GQ-620, scale 1:24,000. 16 McGrew, L.W., 1967, Geologic map of the Casebier Hill quadrangle, Goshen County, Wyo- ming: U.S. Geological Survey Geologic Quadrangle Map GQ-621, scale 1:24,000. 12 McGrew, L.W., 1967, Geologic map of the Ferguson Corner quadrangle, Platte County, Wyo- ming: U.S. Geological Survey Geologic Quadrangle Map GQ-622, scale 1:24,000. 16 McGrew, L.W., 1967, Geologic map of the Natwick SW quadrangle, Platte County, Wyo- ming: U.S. Geological Survey Geologic Quadrangle Map GQ-623, scale 1:24,000. 16 McGrew, L.W., 1967, Geologic map of the Natwick Quadrangle, Platte County, Wyoming: U.S. Geological Survey Geologic Quadrangle Map GQ-624, scale 1:24,000. 16 McGrew, L.W., 1967, Geologic map of the Richeau Hills quadrangle, Platte County, Wyo- ming: U.S. Geological Survey Geologic Quadrangle Map GQ-625, scale 1:24,000. 16 McGrew, L.W., 1967, Geologic map of the Squaw Rock quadrangle, Platte County, Wyo- ming: U.S. Geological Survey Geologic Quadrangle Map GQ-626, scale 1:24,000. 16 McGrew, L.W., 1967, Geologic map of the Wheatland quadrangle, Platte County, Wyo- ming: U.S. Geological Survey Geologic Quadrangle Map GQ-627, scale 1:24,000. 12 McGrew, L.W., 1967, Geologic map of the Wheatland NE quadrangle, Platte County, Wyo- ming: U.S. Geological Survey Geologic Quadrangle Map GQ-628, scale 1:24,000. 12 McGrew, L.W., U.S. Geological Survey unpublished mapping, 1978, scale 1:250,000. 16 McGrew, L.W., and Sever, C.K., U.S. Geological Survey unpublished mapping, 1978, scale 1:24,000. 12 McKay, E.J., 1973, Preliminary geologic map of the Croton 1 NE [Homestead Draw] quadrangle, Campbell County, Wyoming: U.S. Geological Survey Open-File Report, scale 1:24,000. 4 McKay, E.J., 1973, Preliminary geologic map of the Croton 1 NW [Corral Creek] quadrangle, Campbell County, Wyoming: U.S. Geological Survey Open-File Report, scale 1:24,000. [Quaternary alluvial deposits only.] 4 McKay, E.J., 1974, Preliminary geologic map of the Bertha 2 NW [Rocky Butte] quadrangle, Campbell County, Wyoming: U.S. Geological Survey Open-File Report 74-173, scale 1:24,000. [Quaternary alluvial deposits only.] 4 McKay, E.J., 1974, Preliminary geologic map of the Bertha 3 NW [Oliver Draw] quadrangle, Campbell County, Wyoming: U.S. Geological Survey Open-File Report 74-174, scale 1:24,000. 4 McKay, E.J., and Landis, E.R., 1974, Preliminary geologic map of the Bertha 2 NE [Nipple Butte] quadrangle, Campbell County, Wyoming: U.S. Geological Survey Open-File Report 74-172, scale 1:24,000. 4 McKay, E.J., and Mapel, W.J., 1973, Preliminary geologic map of the Calf Creek quadrangle, Campbell County, Wyoming: U.S. Geological Survey Open-File Report, scale 1:24,000. 4 McLaughlin, R.J., and Hayes, P.T., 1973 [1974], Preliminary geologic map of the Townsend Spring [Oriva NW] quadrangle, Campbell County, Wyoming: U.S. Geological Survey Miscellaneous Field Studies Map MF-545, scale 1:24,000. 4 McLaughlin, R.J., and McKay, E.J., 1973, Preliminary geologic map of the Pitch Draw quadrangle, Campbell County, Wyoming: U.S. Geological Survey Open-File Report, scale 1:24,000. 4 Merewether, E.A., 1971, Geologic map of the Wild Horse Mountain quadrangle, Car- bon County Wyoming: U.S. Geological Survey Geologic Quadrangle Map GQ-887, scale 1:24,000. 11 Merewether, E.A., 1972, Geologic map of the Rawlins NW quadrangle, Carbon County, Wyo- ming: U.S. Geological Survey Geologic Quadrangle Map GQ-1010, scale 1:24,000. 15 Merewether, E.A., 1972, Geologic map of the Seminoe Dam SW quadrangle, Carbon County, Wyoming: U.S. Geological Survey Geologic Quadrangle Map GQ-1017, scale 1:24,000. 11 Merewether, E.A., 1973, Geologic map of the Lone Haystack Mountain quadrangle, Carbon County, Wyoming: U.S. Geological Survey Geologic Quadrangle Map GQ-1064, scale 1:24,000. 15 M'Gonigle, J.W., U.S. Geological Survey unpublished mapping, 1977-82, scale 1:100,000. 13 Minard, J.P., 1980, Photogeologic maps of the Miles Ranch and Love Ranch quadrangles, Fremont and Natrona Counties, Wyoming: U.S. Geological Survey Open-File Report 80-472, scale 1:24,000. 11 Mitchell, S.D., 1957, Geology of the eastern Alcova-Bear Creek area, Natrona County, Wyoming: University of Wyoming M.A. thesis, 71 p.; pl. 4, scale 1:24,000. 11 Molnia, C.L., U.S. Geological Survey unpublished mapping, 1980-83, scale 1:100,000. 3 Montagne, J.M., de la, 1955, Cenozoic history of the Saratoga Valley area, Wyoming and Colorado: University of Wyoming Ph.D. thesis, 140 p.; pl. 1, scale 1:62,500. 15 Morris, D.A., and Babcock, H.M., 1960 [1961], Geology and ground-water resources of Platte County, Wyoming, With a section on Chemical quality of the water by R. H. Langford: U.S. Geological Survey Water-Supply Paper 1490, 195 p.; pl. 1, scale 1:125,000. 12, 16 Mort, F.P., 1939, The geology of an area between LaBonte and LaPrele Creeks, Converse County, Wyoming: University of Wyoming M.A. thesis, 16 p.; pl. 1, scale 1:24,000. 12 Mueller, P.A., Wooden, J.L., and Bowes, D.R., 1982, Precambrian evolution of the Beartooth Mountains, Montana-Wyoming, U.S.A.: Revista Brasileira de Geo- ciencias, v. 12, p. 215-222. 1 Murray, F.E., 1957, Geology of the Nowood area, Washakie County, Wyoming: University of Wyoming M.A. thesis, 115 p.; pl. 13, scale 1:24,000. 7 N Nelson, W.H., and Prostka, H.J., U.S. Geological Survey unpublished mapping, 1971. 2 Nelson, W.H., Prostka, H.J., and Williams, F.E., 1980, Geology and mineral resources of the North Absaroka Wilderness and vicinity, Park County, Wyoming, With sections on Mineralization of the Sunlight mining region and Geology and mineralization of the Cooke City mining district by J.E. Elliott, and with a section on Aeromagnetic survey by D.L. Peterson: U.S. Geological Survey Bulletin 1447, 101 p.; pl. 1, scale 1:25,000. 2 Newhouse, W.H., and Hagner, A.F., 1957, Geologic map of anorthosite areas, southern part of Laramie Range, Wyoming: U.S. Geological Survey Mineral Investiga- tions Field Studies Map MF-119, scale 1:63,360. 16 Nichols, C.E., 1965, Geology of a segment of Deep Creek fault zone, southern Bighorn Mountains, Wyoming: University of Iowa M.S. thesis; original scale of map unknown. 7 Nicoll, G.A., 1963, Geology of the Hutton Lake anticline area, Albany County, Wyo- ming: University of Wyoming M.S. thesis, 80 p.; pl. 1, scale 1:35,200. 16 O Olson, A.B., 1959, Photogeologic map of the Flat Top Mountain NE quadrangle, Carbon County, Wyoming: U.S. Geological Survey Miscellaneous Geologic Investiga- tions Map I-301, scale 1:24,000. 15 Oriel, S.S., 1969, Geology of the Fort Hill quadrangle, Lincoln County, Wyoming: U.S. Geological Survey Professional Paper 594-M, 40 p.; pl. 1, scale 1:62,500. 9 Oriel, S.S., and Platt, L.B., 1980, Geologic map of the Preston 1 degree by 2 degree quadrangle, southeastern Idaho and western Wyoming: U.S. Geological Survey Miscel- laneous Investigations Series Map I-1127, scale 1:250,000. 9 Oriel, S.S., and Platt, L.B., U.S. Geological Survey unpublished mapping, 1965-68, scale 1:62,500. 9 Osterwald, F.W., 1947, Metasomatism and mineral facies in relation to structure, north- eastern Albany County, Wyoming: University of Wyoming M.A. thesis, 107 p.; pl. 1, scale 1:6,670 (approx.). 12 Osterwald, F.W., 1959, Structure and petrology of the northern Bighorn Mountains, Wyo- ming: Geological Survey of Wyoming Bulletin 48, 47 p.; pl. 1, scale 1:125,000; pl. 2, scale 1:62,500. 3 P Pampeyan, E.H., Schroeder, M.L., Schell, E.M., and Cressman, E.R., 1967, Geologic map of the Driggs quadrangle, Bonneville and Teton Counties, Idaho, and