Teton County, Wyoming:  U.S. Geological Survey Mineral Investigations Field Studies
   Map MF-300, scale 1:31,680. 5
Patterson, K.D., 1950, Origin of graphite in western Platte County, Wyoming:  Univer-
   sity of Wyoming M.A. thesis, 77 p.; pl. 1, scale 1:380,160. 12
Pearson, R.C., Kiilsgaard, T.H., and Patten, L.L., 1971 [1972], Mineral resources
   of the Popo Agie Primitive Area, Fremont and Sublette Counties, Wyoming, With
   a section on Interpretation of aeromagnetic data by R.E. Mattick:  U.S. Geological 
   Survey Bulletin 1353-B, 55 p.; pl. 1, scale 1:62,500. 10
Pearson, R.C., Patten, L.L., and Gaskill, D.L., 1973, Mineral resources of an area
   near the Popo Agie Primitive Area, Fremont County, Wyoming:  U.S. Geological 
   Survey Bulletin 1391-A, 18 p.; pl. 1, scale 1:63,360. 10
Pekarek, A.H., 1974, The structural geology and igneous petrology of the Rattlesnake
   Hills, Wyoming:  University of Wyoming Ph.D. thesis, 111 p.; plate, scale 1:24,000. 11
Pennington, J.J., 1947, Stratigraphy and structure of the Horse Draw area, Albany
   and Platte Counties, Wyoming:  Columbia, Mo., University of Missouri, Columbia,
   M.A. thesis, 85 p.; pl. 2, scale 1:42,240. 12
Peterman, Z.E., and Hildreth, R.A., 1978, Reconnaissance geology and
   geochronology of the Precambrian of the Granite Mountains, Wyoming:  U.S. 
   Geological Survey Professional Paper 1055, 22 p.; fig. 2, scale 1:271,540 (approx.).
   10, 11
Pierce, W.G., 1948, Geologic and structure contour map of the Basin-Greybull area,
   Big Horn County, Wyoming:  U.S. Geological Survey Oil and Gas Investigations
   Preliminary Map 77, scale 1:48,000. 2, 3
Pierce, W.G., 1965, Geologic map of the Clark quadrangle, Park County, Wyoming:  U.S.
   Geological Survey Geologic Quadrangle Map GQ-477, scale 1:62,500. 2
Pierce, W.G., 1965, Geologic map of the Deep Lake quadrangle, Park County, Wyoming: 
   U.S. Geological Survey Geologic Quadrangle Map GQ-478, scale 1:62,500. 2
Pierce, W.G., 1966, Geologic map of the Cody quadrangle, Park County, Wyoming:  U.S.
   Geological Survey Geologic Quadrangle Map GQ-542, scale 1:62,500. 2
Pierce, W.G., 1970, Geologic map of the Devils Tooth quadrangle, Park County, Wyo-
   ming:  U.S. Geological Survey Geologic Quadrangle Map GQ-817, scale 1:62,500. 2
Pierce, W.G., compiler, 1978, Geologic map of the Cody 1 degree by 2 degree quadrangle,
   northwestern Wyoming:  U.S. Geological Survey Miscellaneous Field Studies Map MF-963, 
   scale 1:250,000. 2
Pierce, W.G., and Andrews, D.A., 1941, Geology and oil and coal resources of the
   region south of Cody, Park County, Wyoming:  U.S. Geological Survey Bulletin
   921-B, p. 99-180; pl. 11, scale 1:63,360. 2
Pierce, W.G., and Nelson, W.H., 1968, Geologic map of the Pat O'Hara Mountain
   quadrangle, Park County, Wyoming:  U.S. Geological Survey Geologic Quadrangle 
   Map GQ-755, scale 1:62,500. 2
Pierce, W.G., and Nelson, W.H., 1969, Geologic map of the Wapiti quadrangle, Park County,
   Wyoming:  U.S. Geological Survey Geologic Quadrangle Map GQ-778, scale 1:62,500. 2
Pierce, W.G., and Nelson, W.H., 1971, Geologic map of the Beartooth Butte quadrangle, Park
   County, Wyoming:  U.S. Geological Survey Geologic Quadrangle Map GQ-935, scale
   1:62,500. 2
Pierce, W.G., Nelson, W.H., and Prostka, H.J., 1973, Geologic map of the Pilot Peak
   quadrangle, Park County, Wyoming:  U.S. Geological Survey Miscellaneous Geologic
   Investigations Map I-816, scale 1:62,500. 2
Pierce, W.G., Nelson, W.H., and Prostka, H.J., 1982, Geologic map of the Dead Indian Peak
   quadrangle, Park County, Wyoming:  U.S. Geological Survey Geologic Quadrangle Map 
   GQ-1564, scale 1:62,500. 2
Pipiringos, G.N., 1961 [1962], Uranium-bearing coal in the central part of the Great
   Divide Basin [Wyoming]:  U.S. Geological Survey Bulletin 1099-A, 104 p.; pl. 1,
   scale 1:62,500. 10, 14
Pipiringos, G.N., and Denson, N.M., 1970, The Battle Spring Formation in south-
   central Wyoming, in Symposium on Wyoming sandstones--Their economic im-
   portance past, present, and future:  Wyoming Geological Association Guidebook,
   22nd Annual Field Conference, p. 161-168; fig. 1, scale 1:500,000. 11, 15
Powell, J.D., 1957, The geology of the Blackrock Ridge area, Hot Springs and Fre-
   mont Counties, Wyoming:  University of Wyoming M.A. thesis, 118 p.; pl. 2, scale
   1:24,000. 6
Prinz, Martin, 1964, Geologic evolution of the Beartooth Mountains, Montana and
   Wyoming--Part 5, Mafic dike swarms of the southern Beartooth Mountains:
   Geological Society of America Bulletin, v. 75, p. 1217-1248; pl. 1, scale 1:115,200.
   2
Privrasky, N.C., 1963, Geology of the Big Piney area, Sublette County, Wyoming:
   U.S. Geological Survey Oil and Gas Investigations Map OM-205, scale 1:31,680. 9
Prostka, H.J., U.S. Geological Survey unpublished mapping, 1965-71, 1975, scale
   1:62,500. 1, 2
Prostka, H.J., Antweiler, J.C., and Bieniewski, C.L., 1974, Mineral resources of
   the DuNoir Addition, Washakie Wilderness Area, Fremont County, Wyoming, With
   a section on Aeromagnetic survey by M.D. Kleinkopf:  U.S. Geological Survey Open-
   File Report 74-133, 34 p.; fig. 2, scale 1:125,000. 6
Prostka, H.J., Blank, H.R., Jr., Christiansen, R.L., and Ruppel, E.T., 1975, Geologic
   map of the Tower Junction quadrangle, Yellowstone National Park, Wyoming and
   Montana:  U.S. Geological Survey Geologic Quadrangle Map GQ-1247, scale
   1:62,500. 1
Prostka, H.J., and Love, J.D., 1974, U.S. Geological Survey unpublished mapping,
   scale 1:24,000. 5
Prostka, H.J., Ruppel, E.T., and Christiansen, R.L., 1975, Geologic map of the
   Abiathar Peak quadrangle, Yellowstone National Park, Wyoming and Montana:  U.S.
   Geological Survey Geologic Quadrangle Map GQ-1244, scale 1:62,500. 1
Prostka, H.J., Smedes, H.W., and Christiansen, R.L., 1975, Geologic map of the
   Pelican Cone quadrangle, Yellowstone National Park and vicinity, Wyoming:  U.S.
   Geological Survey Geologic Quadrangle Map GQ-1243, scale 1:62,500. 1

                                      R

Rankin, D.W., U.S. Geological Survey unpublished mapping, 1975-77, scale
   1:125,000. 2
Rapp, J.R., Visher, F.N., and Littleton, R.T., 1957, Geology and ground-water
   resources of Goshen County, Wyoming, With a section on Chemical quality of the
   ground water by W.H. Durum:  U.S. Geological Survey Water-Supply Paper 1377,
   145 p.; pl. 1, scale 1:96,000. 12, 16
Reed, J.C., Jr., 1973, Geologic map of the Precambrian rocks of the Teton Range,
   Wyoming:  U.S. Geological Survey Open-File Report, scale 1:62,500. 5
Reed, J.C., Jr., and Love, J.D., 1971, Preliminary geologic map of the Mount Ban-
   non quadrangle, Teton County, Wyoming:  U.S. Geological Survey Open-File Map,
   scale 1:24,000. 5
Reed, J.C., Jr., and Love, J.D., 1972, Preliminary geologic map of the Granite Basin quad-
   rangle, Teton County, Wyoming:  U.S. Geological Survey Open-File Map, scale 1:24,000. 5
Reed, J.C., Jr., Love, D.W., and Love, J.D., 1973, Preliminary geologic map of
   the Rammel Mountain quadrangle, Teton County, Wyoming:  U.S. Geological Survey
   Open-File Map, scale 1:24,000. 5
Reed, J.C., Jr., and Zartman, R.E., 1973, Geochronology of Precambrian rocks
   of the Teton Range, Wyoming:  Geological Society of America Bulletin, v. 84, p.
   561-582; fig. 2, scale 1:362,000 (approx.). 5
Reynolds, M.W., 1968, Geologic map of the Muddy Gap quadrangle, Carbon Coun-
   ty, Wyoming:  U.S. Geological Survey Geologic Quadrangle Map GQ-771, scale
   1:24,000. 11
Reynolds, M.W., 1968, Geologic map of the Whiskey Peak quadrangle, Carbon, Fremont,
   and Sweetwater Counties, Wyoming:  U.S. Geological Survey Geologic Quadrangle 
   Map GQ-772, scale 1:24,000. 11
Reynolds, M.W., 1971, Geologic map of the Lamont quadrangle, Carbon County, Wyoming:
   U.S. Geological Survey Geologic Quadrangle Map GQ-912, scale 1:24,000. 11
Reynolds, M.W., 1971, Geologic map of the Bairoil quadrangle, Sweetwater and Carbon Coun-
   ties, Wyoming:  U.S. Geological Survey Geologic Quadrangle Map GQ-913, scale
   1:24,000. 11
Reynolds, M.W., U.S. Geological Survey unpublished mapping, 1973-74, scale 1:250,000.
   10, 11
Reynolds, M.W., 1976, Influence of recurrent Laramide structural growth on sedimentation
   and petroleum accumulation, Lost Soldier area, Wyoming:  American Association
   of Petroleum Geologists Bulletin, v. 60, no. 1, p. 12-33. 11
Rich, E.I., 1962, Reconnaissance geology of Hiland-Clarkson Hill area, Natrona Coun-
   ty, Wyoming:  U.S. Geological Survey Bulletin 1107-G, p. 447-540; pl. 6, scale
   1:250,000; pl. 7, scale 1:31,680. 11
Richards, P.W., 1955, Geology of the Bighorn Canyon-Hardin area, Montana and
   Wyoming:  U.S. Geological Survey Bulletin 1026, 93 p.; pl. 1 (south half), scale
   1:62,500. 2
Richardson, A.L., 1950, Geology of the Mayoworth region, Johnson County, Wyo-
   ming:  University of Wyoming M.A. thesis, 59 p.; pl. 2, scale 1:24,000. 7
Richardson, E.E., 1957, Geologic and structure contour map of the Tisdale anticline
   and vicinity, Johnson and Natrona Counties, Wyoming:  U.S. Geological Survey
   Oil and Gas Investigations Map OM-194, scale 1:31,680. 7
Richardson, E.E., 1961, Geologic and structure map of the North Fork oil field, Kaycee 
   dome, and vicinity, Johnson County, Wyoming:  U.S. Geological Survey Oil and Gas
   Investigations Map OM-206, scale 1:24,000. 7
Richmond, G.M., 1945, Geology and oil possibilities of the northwest end of the Wind
   River Mountains, Sublette County, Wyoming:  U.S. Geological Survey Oil and Gas
   Investigations Preliminary Map 31, scale 1:63,360. 6
Richmond, G.M., 1973 [1974], Geologic map of the Fremont Lake South quadrangle, Sublette
   County, Wyoming:  U.S. Geological Survey Geologic Quadrangle Map GQ-1138,
   scale 1:24,000. 10
Rioux, R.L., 1958, Geology of the Spence-Kane area, Big Horn County, Wyoming:
   U.S. Geological Survey Open-File Report, scale 1:31,680. 2
Rioux, R.L., and Staatz, M.H., 1974, Geologic map of the Ferris quadrangle Car-
   bon County, Wyoming:  U.S. Geological Survey Geologic Quadrangle Map 
   GQ-1124, scale 1:24,000. 11
Ritzma, H.R., 1949, Geology along the southwest flank of the Sierra Madre, Carbon
   County, Wyoming:  University of Wyoming M.A. thesis, 77 p.; pl. 8, scale 1:63,360.
   15
Riva, J.P., Jr., 1959, The geology of the Sheep Creek-Middle Cottonwood Creek
   area, Fremont County, Wyoming:  University of Wyoming M.S. thesis, 82 p.; pl.
   1, scale 1:24,000. 11
Robinove, C.J., and Langford, R.H., 1963, Geology and ground-water resources
   of the Greybull River-Dry Creek area, Wyoming:  U.S. Geological Survey Water-
   Supply Paper 1596, 88 p.; pl. 1, scale 1:63,360. 2
Robinson, C.S., Mapel, W.J., and Bergendahl, M.H., 1964, Stratigraphy and struc-
   ture of the northern and western flanks of the Black Hills uplift, Wyoming, Mon-
   tana, and South Dakota:  U.S. Geological Survey Professional Paper 404, 134 p.;
   pl. 1, scale 1:96,000. [All geology except Wasatch Formation and some Quater-
   nary alluvial deposits.] 4, 8
Roehler, H.W., 1972, Geologic map of the Red Creek Ranch quadrangle, Wyoming,
   Utah, and Colorado:  U.S. Geological Survey Geologic Quadrangle Map GQ-1001,
   scale 1:24,000. 14
Roehler, H.W., 1972, Geologic map of the Four J Rim quadrangle, Sweetwater County,
   Wyoming:  U.S. Geological Survey Geologic Quadrangle Map GQ-1002, scale
   1:24,000. 14
Roehler, H.W., 1973, Geologic map of the Erickson-Kent Ranch quadrangle, Sweetwater County,
   Wyoming:  U.S. Geological Survey Geologic Quadrangle Map GQ-1056, scale
   1:24,000. 14
Roehler, H.W., 1973, Geologic map of the Potter Mountain quadrangle, Sweetwater County,
   Wyoming:  U.S. Geological Survey Geologic Quadrangle Map GQ-1082, scale
   1:24,000. 14
Roehler, H.W., 1973, Geologic map of the Titsworth Gap quadrangle, Sweetwater County,
   Wyoming:  U.S. Geological Survey Geologic Quadrangle Map GQ-1083, scale
   1:24,000. 14
Roehler, H.W., 1973, Geologic map of the Chicken Creek East quadrangle, Sweetwater 
   County, Wyoming:  U.S. Geological Survey Geologic Quadrangle Map GQ-1128, 
   scale 1:24,000. 14
Roehler, H.W., 1974, Geologic map of the Chicken Creek West quadrangle, Sweetwater 
   County, Wyoming:  U.S. Geological Survey Geologic Quadrangle Map GQ-1139, 
   scale 1:24,000. 14
Roehler, H.W., 1974, Geologic map of the Scrivner Butte quadrangle, Sweetwater County,
   Wyoming:  U.S. Geological Survey Geologic Quadrangle Map GQ-1166, scale
   1:24,000. 14
Roehler, H.W., 1974, Geologic map of the Pine Butte quadrangle, Sweetwater County,
   Wyoming:  U.S. Geological Survey Geologic Quadrangle Map GQ-1199, scale
   1:24,000. 14
Roehler, H.W., 1974, Geologic map of the Burley Draw quadrangle, Sweetwater County,
   Wyoming:  U.S. Geological Survey Geologic Quadrangle Map GQ-1200, scale
   1:24,000. 14
Roehler, H.W., 1975, Geologic map of the Sand Butte Rim SE quadrangle, Sweetwater Coun-
   ty, Wyoming:  U.S. Geological Survey Geologic Quadrangle Map GQ-1231, scale
   1:24,000. 14
Roehler, H.W., 1977, Geologic map of the Sand Butte Rim NW quadrangle, Sweetwater 
   County, Wyoming:  U.S. Geological Survey Geologic Quadrangle Map GQ-1362, scale
   1:24,000. 14
Roehler, H.W., 1977, Geologic map of the Cooper Ridge NE quadrangle, Sweetwater 
   County, Wyoming:  U.S. Geological Survey Geologic Quadrangle Map GQ-1363, scale
   1:24,000. 14
Roehler, H.W., 1977, Geologic map of the Rock Springs uplift and adjacent areas, Sweet-
   water County, Wyoming:  U.S. Geological Survey Open-File Report 77-242, scale
   1:125,000. 14
Roehler, H.W., 1978, Geologic map of the Mud Springs Ranch quadrangle, Sweetwater 
   County, Wyoming:  U.S. Geological Survey Geologic Quadrangle Map GQ-1438, 
   scale 1:24,000. 14
Roehler, H.W., 1978, Geologic map of the Chicken Creek SW quadrangle, Sweetwater Coun-
   ty, Wyoming and Moffat County, Colorado:  U.S. Geological Survey Geologic 
   Quadrangle Map GQ-1443, scale 1:24,000. 14
Roehler, H.W., 1978, Geologic map of the Chicken Creek SE quadrangle, Sweetwater Coun-
   ty, Wyoming:  U.S. Geological Survey Geologic Quadrangle Map GQ-1454, scale
   1:24,000. 14
Roehler, H.W., 1979, Geologic map of the Camel Rock quadrangle, Sweetwater County,
   Wyoming:  U.S. Geological Survey Geologic Quadrangle Map GQ-1521, scale
   1:24,000. 14
Roehler, H.W., 1979, Geologic map of the Point of Rocks SE quadrangle, Sweetwater Coun-
   ty, Wyoming:  U.S. Geological Survey Geologic Quadrangle Map GQ-1528, scale
   1:24,000. 14
Roehler, H.W., U.S. Geological Survey unpublished mapping, scales 1:125,000 and
   1:250,000. 14, 15
Roehler, H.W., and Valcarce, Jay, 1978, Geologic map of the Antelope Flats
   quadrangle, Sweetwater County, Wyoming:  U.S. Geological Survey Geologic 
   Quadrangle Map GQ-1437, scale 1:24,000. 14
Rogers, C.P., Jr., Richards, P.W., Conant, L.C., Vine, J.D., and Notley, D.F., 
   1948, Geology of the Worland-Hyattville area, Big Horn and Washakie Counties
   Wyoming:  U.S. Geological Survey Oil and Gas Investigations Preliminary Map 84,
   scale 1:48,000. 3
Rogers, W.P., 1958, General geology of Medicine Mountain area, Bighorn Moun-
   tains, Wyoming:  University of Iowa M.S. thesis, pl. 1, scale 1:31,680. 3
Rohrer, W.L., 1964, Geology of the Sheep Mountain quadrangle, Wyoming:  U.S. 
   Geological Survey Geologic Quadrangle Map GQ-310, scale 1:24,000. 2
Rohrer, W.L., 1964, Geology of the Tatman Mountain quadrangle, Wyoming:  U.S. 
   Geological Survey Geologic Quadrangle Map GQ-311, scale 1:24,000. 2
Rohrer, W.L., 1965, Geologic Map of the Adam Weiss Peak quadrangle, Hot Springs and
   Park Counties, Wyoming:  U.S. Geological Survey Geologic Quadrangle Map 
   GQ-382, scale 1:24,000. 6
Rohrer, W.L., 1966, Geologic map of the Kisinger Lakes quadrangle, Fremont County, Wyo-
   ming:  U.S. Geological Survey Geologic Quadrangle Map GQ-527, scale 1:24,000. 6
Rohrer, W.L., 1968, Geologic map of the Fish Lake quadrangle, Fremont County, Wyo-
   ming:  U.S. Geological Survey Geologic Quadrangle Map GQ-724, scale 1:24,000. 6
Rohrer, W.L., 1969, Preliminary geologic map of Sheridan Pass quadrangle, Fremont and
   Teton Counties, Wyoming:  U.S. Geological Survey Open-File Report, scale
   1:24,000. 5
Rohrer, W.L., 1973, Geologic map of the Phosphate Reserve in the Lander area, Fremont
   County, Wyoming:  U.S. Geological Survey Miscellaneous Field Studies Map 
   MF-305, scale 1:24,000. 10