8.    Dane, C.H., and Bachman, G.O., 1965, Geologic map of New Mexico: U.S. Geological 
          Survey Special Geologic Map, scale 1:500,000.
       Lucas, S.G., and Hunt, A.P., 1989, Revised Triassic stratigraphy in the Tucumcari 
          Basin, east-central New Mexico, in Lucas, S.G., and Hunt, A.P., eds., Dawn 
          of the Age of Dinosaurs in the American Southwest: New Mexico Museum of 
          Natural History and Science, p. 150-170.
       Texas Bureau of Economic Geology, 1983, Geologic Atlas of Texas, Tucumcari sheet:
          Austin, Tex., Texas Bureau of Economic Geology, scale 1:250,000. 
 9.    Anderson, O.J., 1986, Geologic map of Fence Lake 1:100,000 quadrangle, New Mexico: 
          New Mexico Bureau of Mine and Mineral Resources Open-File Report 220, 
          scale 1:100,000.
       Anderson, O.J., 1987, Geology and coal resources of the Atarque Lake 1:50,000 
          quadrangle, New Mexico: New Mexico Bureau of Mines and Mineral Resources Geologic
          Map GM-61, scale 1:50,000.
       Campbell, Frank, 1989, Geology and coal resources of Fence Lake 1:50,000 quadrangle,
          New Mexico: New Mexico Bureau of Mines and Mineral Resources Geologic Map GM-62, 
          scale 1:50,000.
       Chamberlin, R.M., Cather, S.M., Anderson, O.J., and Jones, G.E., 1994, Geologic 
          map of Quemado 1:100,000 quadrangle, New Mexico: New Mexico Bureau of Mines and 
          Mineral Resources Open-File Report 406, scale 1:100,000.
       Guillinger, D.R., 1982, Geology and uranium potential of the Tejana Mesa-Hubbell 
          Draw area, Catron County, New Mexico: New Mexico Bureau of Mines and Mineral 
          Resources Open-File Report 176.
       Maxwell, C.H., 1986, Geologic map of El Malpais lava field and surrounding areas, 
          Cibola County, New Mexico: U.S. Geological Survey Miscellaneous Geologic 
          Investigations Map I-1595, scale 1:62,500.
10.   Anderson, O.J., unpublished reconnaissance geologic mapping on South Garcia and 
          South Garcia SE 7 1/2 minute quadrangle.
       Brouillard, L.A., 1984, Geology of the northeastern geology of the northeastern 
          Gallinas Mountains, Socorro County, New Mexico: New Mexico Bureau of Mines and 
          Mineral Resources Open-File Report 219.
       Chamberlin, R.M., 1974, Geology of the Council Rock district, Socorro County, New 
          Mexico: New Mexico Bureau of Mines and Mineral Resources Open-File Report 40.
       Chamberlin, R.M., 1981, Uranium potential of the Datil Mountains-Pie Town area, 
          Catron County, New Mexico: New Mexico Bureau of Mines and Mineral Resources 
          Open-File Report 139.
       Chamberlin, R.M., and Anderson, O.J., unpublished reconnaissance geologic mapping on
          west half of the Magdalena 1:100,000 quadrangle and southwest part of the Acoma 
          1:100,000 quadrangle.
       Coffin, G.C., 1981, Geology of the northwestern Gallinas Mountains, Socorro County, 
          New Mexico: New Mexico Bureau of Mines and Mineral Resources Open-File Report 159.
       Ferguson, C.A., 1990, Geological Map of Grassy Lookout 7 1/2 minute quadrangle and 
          cross sections, Socorro, New Mexico: New Mexico Bureau of Mines and Mineral 
          Resources Open-File Report 366.
       Ferguson, C.A., and Osburn, G.R., 1994, Geologic map of Mt. Withington 7 1/2 minute 
          quadrangle, Socorro County, New Mexico: New Mexico Bureau of Mines and Mineral
          Resources Open-File Report 403, scale 1:24,000.
       Givens, D.B., 1957, Geology of the Dog Springs quadrangle, New Mexico: New Mexico 
          Bureau of Mines and Mineral Resources Bulletin 58, 40 p., scale 1:24,000.
       Harrison, R.W., 1980, Geology of the northeastern Datil Mountains, Socorro and Catron
          Counties, New Mexico: New Mexico Bureau of Mines and Mineral Resources Open-File 
          Report 136.
       Hawley, J.W., unpublished geologic map of Quaternary deposits in New Mexico.
       Kelley, V.C., 1977, Geology of the Albuquerque Basin, New Mexico: New Mexico Bureau 
          of Mines and Mineral Resources Memoir 33, 59 p., scale 1:191,000.
       Laroche, T.M., 1980, Geology of the Gallinas Peak area, Socorro County, New Mexico: 
          New Mexico Bureau of Mines and Mineral Resources Open-File Report 128.
       Lopez, D.A., and Bornhorst, T.J., 1979, Geologic map of the Datil area, Catron 
          County, New Mexico: U.S. Geological Survey Miscellaneous Geologic Investigations 
          Map I-1098, scale 1:50,000.
       Maxwell, C.H., 1986, Geologic map of El Malpais lava field and surrounding areas, 
          Cibola County, New Mexico: U.S. Geological Survey Miscellaneous Geologic 
          Investigations Map I-1595, scale 1:62,500.
       Maxwell, C.H., 1988, Geologic map of Cerro del Oro quadrangle, Cibola County, New
          Mexico: U.S. Geological Survey Miscellaneous Field Studies Map MF-2033, scale 
          1:24,000.
       Maxwell, C.H., 1990, Geologic map of the Broom Mountain quadrangle, Cibola County,
          New Mexico: U.S. Geological Survey Geologic Quadrangle Map GQ-1666, scale 
          1:24,000.
       Myers, D.A., 1967, Geologic map of the Torreon quadrangle, New Mexico, Torrance 
          County, New Mexico: U.S. Geological Survey Geologic Quadrangle Map GQ-639, scale 
          1:24,000.
       Myers, D.A., 1977, Geologic map of the Scholle quadrangle, Socorro, Valencia, and 
          Torrance Counties, New Mexico: U.S. Geological Survey Geologic Quadrangle Map 
          GQ-1412, scale 1:24,000.
       Myers, D.A., and McKay, E.J., 1974, Geologic map of the southwest quarter of the 
          Torreon 15 minute quadrangle, Torrance and Valencia Counties: U.S. Geological 
          Survey Miscellaneous Geologic Investigations Map I-820, scale 1:24,000.
       Myers, D.A., McKay, E.J., and Sharps, J.A., 1981, Geologic map of the Becker 
          quadrangle, Valencia and Socorro Counties, New Mexico: U.S. Geological Survey 
          Geologic Quadrangle Map GQ-1556, scale 1:24,000.
       Osburn, G.R., 1984, Geologic map of Socorro County, New Mexico: New Mexico Bureau of 
          Mines and Mineral Resources Open-File Report 238, scale 1:200,000.
       Osburn, J.C., 1983, Geology and coal resources of the Pasture Canyon quadrangle, 
          Catron County, New Mexico: New Mexico Bureau of Mines and Mineral Resources
          Open-File Report 182, scale 1:24,000.
       Osburn, J.C., 1984, Geology of the Pueblo Viejo Mesa quadrangle: New Mexico Bureau
          of Mines and Mineral Resources Geologic Map GM-55, scale 1:24,000, [revised 1987].
       Osburn, J.C., 1985, Geology and coal resources of the Wild Horse Canyon 
          quadrangle, Catron and Cibola Counties, New Mexico: New Mexico Bureau of Mines 
          and Mineral Resources Open-File Report 227, 29 p., scale 1:24,000.
       Thaden, R.E., and Zech, R.S., unpublished geologic map of the northwest quadrant of
          New Mexico, scale 1:500,000.
       Wilkinson, W.H., Jr., 1976, Geology of the Cat Mountain area, Socorro County, New 
          Mexico: New Mexico Bureau of Mines and Mineral Resources Open-File Report 39.
11.   Dane, C.H., and Bachman, G.O., 1965, Geologic map of New Mexico: U.S. Geological 
          Survey Special Geologic Map, scale 1:500,000.
       Kelley, V.C., 1972, Geology of the Fort Sumner sheet, New Mexico: New Mexico Bureau 
          of Mines and Mineral Resources Bulletin 98, 55 p., scale 1:191,000.
       Lucas, S.G., and Hunt, A.P., 1989, Revised Triassic stratigraphy in the Tucumcari 
          Basin, east-central New Mexico, in Lucas, S.G., and Hunt, A.P., eds., Dawn of 
          the Age of Dinosaurs in the American Southwest: New Mexico Museum of Natural 
          History and Science, p. 150-170.
12.   Texas Bureau of Economic Geology, 1978, Geologic Atlas of the Clovis quadrangle:
          Austin, Tex., Texas Bureau of Economic Geology, scale 1:250,000.
13.   Ratté, J.C., unpublished geologic mapping on the Alpine and the Blue 15 minute
          quadrangle, Arizona and New Mexico.
       Ratté, J.C., Landis, E.R., Gaskill, D.L., and Raabe, R.G., 1969, Mineral resources 
          of the Blue Range Primitive area, Greenlee County, Arizona and Catron County, 
          New Mexico: U.S. Geological Survey Bulletin 1261-E, 91 p., scale 1:62,500.
14.   Amuedo and Ivey, Consulting Geologists, [n.d.], Geology of the Tularosa quadrangle 
          (1:250,000): U.S. Department of Energy, scale 1:250,000.
       Bachman, G.O., 1965, Geologic map of the Capitol Peak NW quadrangle, Socorro County, 
          New Mexico: U.S. Geological Survey Miscellaneous Geologic Investigations Map 
          I-441, scale 1:31,680.
       Bachman, G.O., 1968, Geology of the Mockingbird Gap quadrangle, Lincoln and Socorro 
          Counties, New Mexico: U.S. Geological Survey Professional Paper 594-J, 43 p.
       Bachman, G.O., and Harbour, R.L., 1970, Geologic map of the northern part of the San 
          Andres Mountains, central New Mexico: U.S. Geological Survey Miscellaneous 
          Geologic Investigations Map I-600, scale 1:62,500.
       Ferguson, C.A., 1990, Geologic map of Grassy Lookout 7 1/2 minute quadrangle and 
          cross sections, Socorro, New Mexico: New Mexico Bureau of Mines and Mineral 
          Resources Open-File Report 366.
       Ferguson, C.A., and Osburn, G.R., 1994, Geologic Map of Mt. Withington 7 1/2 minute 
          quadrangle, Socorro County, New Mexico: New Mexico Bureau of Mines and Mineral 
          Resources Open-File Report 403, scale 1:24,000.
       Harrison, R.W., Lozinsky, R.P., Eggleston, T.L., and McIntosh, W.C., 1993, Geologic
          map of the Truth or Consequences 1:100,000 quadrangle: New Mexico Bureau of 
          Mines and Mineral Resources Open-File Report 390, scale 1:100,000.
       Kelley, V.C., and Silver, C., 1952, Geology of the Caballo Mountains: University of 
          New Mexico Publications in Geology, no. 4, 286 p.
       Lozinsky, R.P., 1986, Geology and Late Cenozoic history of the Elephant Butte area, 
          Sierra County, New Mexico: New Mexico Bureau of Mines and Mineral Resources
          Circular 187, 40 p., scale 1:25,000.
       Mason, J.T., University of New Mexico, unpublished master's thesis, The geology of
          the Caballo Peak quadrangle, Sierra County, New Mexico, 131 p.
       Maxwell, C.H., unpublished reconnaissance and air photo interpretation in west half 
          of Tularosa 1:250,000 quadrangle, New Mexico.
       Maxwell, C.H., and Oakman, M.R., 1990, Geologic map of the Cuchillo quadrangle, 
          Sierra County, New Mexico: U.S. Geological Survey Geologic Quadrangle Map GQ-1686,
          scale 1:24,000.
       Osburn, G.R., 1984, Geologic map of Socorro County, New Mexico: New Mexico Bureau of 
          Mines and Mineral Resources Open-File Report 238, scale 1:200,000.
       Osburn, G.R., New Mexico Bureau of Mines and Mineral Resources unpublished geologic 
          map of Monica Saddle quadrangle, Socorro County, New Mexico, scale 1:24,000.
15.   Dane, C.H., and Bachman, G.O., 1965, Geologic map of New Mexico: U.S. Geological 
          Survey Special Geologic Map, scale 1:500,000.
       Kelley, V.C., 1972, Geology of the Fort Sumner sheet, New Mexico: New Mexico Bureau 
          of Mines and Mineral Resources Bulletin 98, 55 p., scale 1:191,000.
       Moore, S.L., Foord, E.E., Meyer, G.A., 1988, Geologic and aeromagnetic map of a 
          part of the Mescalero Apache Indian Reservation, Otero County, New Mexico: 
          U.S. Geological Survey Miscellaneous Investigations Series Map I-1775, 
          scale 1:50,000.
       Moore, S.L., Foord, E.E., Meyer, G.A., and Smith, G.W., 1988, Geologic map of the 
          northwestern part of the Mescalero Apache Indian Reservation, Otero County, 
          New Mexico: U.S. Geological Survey Miscellaneous Investigations Series Map 
          I-1895, scale 1:24,000.
       Moore, S.L., Thompson, T.B., and Foord, E.E., 1991, Structure and igneous rocks of 
          the Ruidoso region, New Mexico: New Mexico Geological Survey 42nd Field 
          Conference Guidebook, p. 137-145.
       Smith, C.T., and Budding, A.J., 1959, Geology of the Little Black Peak 15 minute
          quadrangle, east half: New Mexico Bureau of Mines and Mineral Resources Geologic
          Map GM-11, scale 1:62,500.
16.   Texas Bureau of Economic Geology, 1974, Geologic Atlas of the Brownfield quadrangle: 
          Austin, Tex., Texas Bureau of Economic Geology, scale 1:250,000. 
       Lucas, S.G., and Anderson, O.J., unpublished reconnaissance geologic mapping on the 
          Tatum 1:100,000 quadrangle.
17.   Drewes, Harald, Houser, B.B., Hedlund, D.C., Richter, D.H., Thorman, C.H., and 
          Finnell, T.L., 1985, Geologic map of the Silver City 1x2 degree quadrangle, 
          New Mexico and Arizona: U.S. Geological Survey Miscellaneous Investigations
          Series Map I-1310-C, scale 1:250,000.
18.   Seager, W.R., 1995, Geologic map of the southwest part of Las Cruces and northwest 
          part of El Paso 1x2 degree sheets, New Mexico: New Mexico Bureau of Mines and 
          Mineral Resources Geologic Map GM-60, scale 1:125,000.
       Seager, W.R., Clemons, R.E., Hawley, J.W., and Kelley, R.E., 1982, Geology of the 
          northwest part of Las Cruces 1x2 degree quadrangle: New Mexico Bureau of Mines and
          Mineral Resources Geologic Map GM-53, scale 1:125,000.
       Seager, W.R., Hawley, J.W., Kottlowski, F.E., and Kelley, S.A., 1987, Geology of the 
          east half of Las Cruces and northeast El Paso 1x2 degree sheets, New Mexico: New 
          Mexico Bureau of Mines and Mineral Resources Geologic Map GM-57, scale 1:125,000.
19.   Condie, K.C., and Budding, A.J., 1979, Geology and geochemistry of Precambrian rocks, 
          central and south-central New Mexico: New Mexico Bureau of Mines and Mineral 
          Resources Memoir 35, 60 p.
       Dane, C.H., and Bachman, G.O., 1965, Geologic map of New Mexico: U.S. Geological 
          Survey Special Geologic Map, scale 1:500,000.
       Hayes, P.T., 1964, Geology of the Guadalupe Mountains, New Mexico: U.S. Geological 
          Survey Professional Paper 446.
       Kelley, V.C., 1971, Geology of the Pecos Country, southeastern New Mexico: New Mexico
          Bureau of Mines and Mineral Resources Memoir 24, 75 p.
       Pray, L.C., 1961, Geology of the Sacramento Mountains escarpment, Otero County, New 
          Mexico: New Mexico Bureau of Mines and Mineral Resources Bulletin 35, 144 p.
20.   Texas Bureau of Economic Geology, 1976, Geologic Atlas of Texas, Hobbs Sheet: Austin,
          Tex., Texas Bureau of Economic Geology, scale 1:250,000.
       Hawley, J.W., 1993, The Ogallala and Gatuña Formations in southeastern New Mexico: 
          New Mexico Geological Society 44th Field Conference Guidebook, p. 261-268.
       Lucas, S.G., and Anderson, O.J., unpublished reconnaissance mapping on the Jal and 
          Hobbs 1:100,000 quadrangle.
21.   Broomfield, C.S., and Wrucke, C.T., 1961, Reconnaissance geologic map of the Cedar 
          Mountains, Grant and Luna Counties, New Mexico: U.S. Geological Survey 
          Miscellaneous Field Studies Map MF-159, scale 1:62,500.
       Deal, E.G., unpublished geologic map of the central Peloncillo Mountains, scale 
          1:62,500.
       Drewes, Harald, 1986, Geologic map of the northern part of the Animas Mountains, 
          Hidalgo County, New Mexico: U.S. Geological Survey Miscellaneous Geologic 
          Investigations Map I-1686, scale 1:24,000.
       Drewes, Harald, 1991, Description and development of the Cordilleran Orogenic belt 
          in the southwestern United States and northern Mexico: U.S. Geological Survey 
          Professional Paper 1512, p. 28-29.
       Drewes, Harald, 1991, Geologic map of the Big Hatchet Mountains, Hidalgo County, 
          New Mexico: U.S. Geological Survey Miscellaneous Geologic Investigations Map 
          I-2144, scale 1:24,000.
       Erb, E.E., University of New Mexico unpublished Ph.D. dissertation, Geologic map of 
          the southern Animas, northern San Luis, southern Peloncillo, and northern 
          Guadalupe Mountains, Hidalgo County, New Mexico, 300 p.
       Reiter, D.E., University of New Mexico unpublished master's thesis, Geology of the
          Alamo Hueco and Dog Mountains, Hidalgo County, New Mexico, 120 p.
       Sivils, David, unpublished stratigraphy, depositional systems, and diagenesis of the 
          Paradise Formation (Late Mississippian), Big Hatchet Mountains, Hidalgo County, 
          New Mexico.
       Sivils, David, Anderson, O.J., and Jones, G.E., unpublished New Mexico Bureau of
          Mines and Mineral Resources reconnaissance geologic mapping in Big Hatchet 
          Mountains, New Mexico.
       Varnell, R.J., University of Texas unpublished master's thesis, Geology of the Hat 
          Top Mountain area, Grant and Luna Counties, New Mexico, 61 p., scale 1:24,000.
       Zeller, R.A., Jr., Geology of the Little Hatchet Mountains, Hidalgo and Grant 
          Counties, New Mexico: New Mexico Bureau of Mines and Mineral Resources Bulletin 
          96, 23 p., scale 1:31,680.
22.   Seager, W.R., 1995, Geologic map of the southwest part of Las Cruces and northwest 
          part of El Paso 1x2 degree sheets, New Mexico: New Mexico Bureau of Mines and 
          Mineral Resources Geologic Map GM-60, scale 1:125,000.