Trans-Pecos-References

with special reference to the hydrogeology of the area and with some general references about the hydrogeology of the Basin and Range Province

Ashworth, J. B., 1990. Evaluation of ground-water resources in parts of Loving, Pecos, Reeves, Ward, and Winkler Counties, Texas: Texas Water Development Board Report 317, 51p.

Akersten, W. A., 1967, Red light local fauna (Blancan) of the Love Formation, southeastern Hudspeth County, Texas: The University of Texas at Austin, unpub. M. A. thesis, 169p.

Albritton, C. C., Jr., and Smith, J. F., Jr., 1965, Geology of the Sierra Blanca area, Hudspeth County, Texas: U.S. Geol. Survey Professional Paper 479, 131p.

Barnes, V. E., 1995. Geologic atlas of Texas, Van Horn-El Paso Sheet: The University of Texas at Austin Bureau of Economic Geology, map with explanation.

Bedinger, M. S., Langer, W. H., and Reed, J. E., 1986, Synthesis of hydraulic properties of rocks with reference to the basin and range province, southwestern United States, in Selected papers in the hydrologic sciences: U.S. Geological Survey Water-Supply Paper 2310, 142p.

Bedinger, M. S., and Langer, and, Reed, J.E., 1989, Ground-water hydrology: in (Bedinger, M. S. Sargent, K. A., and Langer, W. H., eds.) Studies of geology and hydrology in the Basin and Range Province, southwestern United States, for isolation of high-level radioactive waste, for isolation of high-level radioactive waste - characterization of the Trans- Pecos region, Texas, U.S. Geol. Survey Professional Paper 1370-B, p. B31-B37.

Boghici, R., 1997, Hydrogeological Investigations at Diamond Y Springs and Surrounding Area, Pecos County, Texas: unpub. M. A. thesis, Univ. Texas, Austin, 119p.

Boghici, R., and Sharp, J. M., Jr., 1996, Origin and evolution of water discharging at Diamond Y Springs, Pecos County, Texas: Geol. Soc. America, Abs. with Programs (South-Central Sec.), v. 26, p. 5.

Boyd, F. M., 1982, Hydrogeology of the Northern Salt Basin of West Texas and New Mexico: unpub. M. A. thesis, The University of Texas at Austin, TX, 135p.

Boyd, F. M., and Kreitler, C. W., 1990, Hydrogeology of a gypsum playa, Northern Salt Basin, Texas: in (Kreitler, C. W., and Sharp, J. M., eds.), Hydrogeology of Trans-Pecos Texas: Univ. Texas Bur. Econ. Geol. Guidebook 25, p. 67-80.

Brady, B.T., Bedinger, M. S., Mulvihill, D. A., Mikels, J., and Langer, W. H., 1984, Maps showing ground-water levels, springs, and depth to ground water, Basin and Range province, Texas: U.S. Geol. Survey Water- Resources Investigations Rept. 83-4121-B.

Collins, E. W., and Raney, J. A. 1990, Neotectonic history and structural style of the Campo Grande Fault, Hueco Basin, Trans-Pecos, Texas: The University of Texas at Austin, Bureau of Economic Geology contract report prepared for the Texas Low-Level Radioactive Waste Disposal Authority, 74 p.

Collins, E. W., and Raney, J. A., 1993, Late Cenozoic faults of the region surrounding the Eagle Flat study area, northwestern Trans-Pecos Texas: University of Texas at Austin, Bureau of Economic Geology final contract report, prepared for Texas Low-Level Radioactive Waste Disposal Authority under Interagency Contract IAC (92-93)-0910, 74p.

Darling, B. K., 1997, Delineation of the ground-water flow systems of the Eagle Flat and Red Light basins of Trans-Pecos Texas: unpub. Ph. D. dissertation, Univ. Texas, Austin, TX, 179p.

Darling, B. K., Hibbs, B. J., and Dutton, A. R., 1994, Ground-water hydrology and hydrochemistry of Eagle Flat and surrounding area: The University of Texas at Austin, Bureau of Economic Geology contract report, prepared for the Texas Low-Level Radioactive Waste Disposal Authority under Interagency Contract IAC (92-93)-0910, 137 p.

Darling, B. K., Hibbs, B. J., Dutton, A. R., and Sharp, J. M., Jr., 1995, Isotope hydrology of the Eagle Mountains area, Hudspeth County, Texas: Implications for development of ground-water resources: in Water Resources at Risk (Hotchkiss, W. R., Downey, J. S., Gutentag, E. D., and Moore, J. E., eds.), American Institute of Hydrology, Minneapolis, MN, p. SL12-SL24.

Davis, M. E., and Leggat, E. R., 1965, Reconnaissance investigation of the ground-water resources of the upper Rio Grande basin, Texas, in Reconnaissance investigation of the ground-water resources of the Rio Grande basin, Texas, Texas Water Commission Bulletin 6502, p. U1-199.

DeFord, R. K., and Haenggi, W. T., 1970, Stratigraphic nomenclature of Cretaceous rocks in northeastern Chihuahua. In The geologic framework of the Chihuahua tectonic belt: West Texas Geological Society, p. 175-196.

Dickerson, P. W., 1995, Tascotal Mesa Transfer Zone, Rio Grande Rift of West Texas (Presidio, Brewster Counties) - a structural, mechanical, and thermal characterization: unpub. Ph. D. dissertation, The University of Texas at Austin, 189 p.

Dutton, A. R., 1993, Sources and ages of ground water in unconfined and confined aquifers beneath the U.S. High Plains: The University of Texas, Bureau of Econ. Geol. Technical Report, draft prepared for U.S. Geol. Survey under award 14-08-0001-G-1885.

Dutton, A. R., 1995, Groundwater isotopic evidence for paleorecharge in the U.S. High Plains aquifers: Quaternary Research, v. 43 p. 221-231.

Dutton, A. R., and Simpkins, W. W., 1989, Isotopic evidence for paleohydrologic evolution of ground-water flow paths, southern Great Plains, U.S.A.: Geology, v. 17, no. 7, p. 653-656

Fisher, R. S., and Mullican, W. F., 1990, Origin of solutes in ground waters from the Diablo Plateau, Hueco Bolson, and Rio Grande Aquifers, Trans-Pecos Texas in (Kreitler, C. W., and Sharp, J. M., eds.) Hydrogeology of Trans-Pecos Texas: The University of Texas, Bureau of Econ. Geol. Guidebook 25, pages 43 - 48.

Fisher, R. S., and Mullican, W. F., 1990, Integration of ground-water and vadose-zone geochemistry to investigate hydrochemical evolution: a case study in and lands of the northern Chihuahuan Desert, Trans-Pecos Texas: The University of Texas at Austin Bureau of Economic Geology Geological Circular 90-5, 36p.

Gates, J. S., and White, D. E., 1976, Test drilling for ground water in Hudspeth, Culberson and Presidio Counties in westemmost Texas: U.S. Geol. Survey Open-File Report 76-338, 76 p.

Gates, J. S., White, D. E., Stanley, W. D., and Ackerman, H. D., 1980. Availability of fresh and slightly saline ground water in the basins of westernmost Texas: Texas Department of Water Resources, Report No. 256, 108p.

Goetz, L. K., 1977. Quaternary Faulting in Salt Basin grabens, West Texas: unpub. M. A. thesis, The University of Texas at Austin, 136p.

Gries, J. C, 1980, Laramide evaporate tectonics along the Texas-northern Chihuahua border: in (Dickerson, P. W., Hoffer, J. M., and Callender, I. F., eds.) Trans-Pecos Region, Southeastern New Mexico and West Texas: New Mexico Geological Society Guidebook, 31st Field Conference,

p. 93-100.

Gries, J. C., and Haenggi, W. T., 1971, Structural evolution of the eastern Chihuahua tectonic belt; in (Seewalt, K., and Sundeed, D., eds.) The Geologic Framework of the Chihuahua Tectonic Belt, West Texas Geological Society Publication No. 71-59, p. 119-137.

Groat, C. G., 1972, Presidio Bolson, Trans-Pecos Texas and adjacent Mexico, geology of a desert basin aquifer system: The University of Texas at Austin, Bureau of Economic Geology Report of Investigations No. 76, 46p.

Gustavson, T. C., 1991, Arid basin depositional systems and paleosols: Fort Hancock and Camp Rice Formations (Pliocene-Pleistocene), Hueco Bolson, west Texas and adjacent Mexico: The University of Texas at Austin, Bureau of Economic Geology Report of Investigations No. 198, 49p.

Haenggi, W. T., 1966, Geology of El Cuervo area, northeastern Chihuahua, Mexico: The University of Texas at Austin, unpub. Ph.D. dissertation, 402p.

Hart, M. A., 1992. The hydrogeology of the Davis Mountains, Trans-Pecos Texas: unpublished M. A. Thesis, The University of Texas at Austin, 158p.

Hawley, J. W., 1975, Quaternary history of Dona Ana County region, south- central New Mexico: in (Seager, W. R., Clemons, R. E., and Callender, J. F., eds.) Las Cruces County: New Mexico Geological Society, Guidebook for 26th Field Conference, p. 139-140.

Henry, C. D., 1979, Geologic setting and geochemistry of thermal water and geothermal assessment, Trans-Pecos Texas: The University of Texas at Austin, Bureau of Economic Geology Rept. Inv. No. 96, 48p.

Henry, C.D., and Price, J.G., 1985, Summary of the tectonic development of Trans-Pecos Texas: The University of Texas at Austin, Bureau of Economic Geology, Miscellaneous Map No. 36, 8p.

Henry, C. D., Price, J. G., and Hutchins, M. F., 1983, Mineral resources areas of the Basin and Range Province of Texas: U.S. Geol. Survey Open-File Report 83-709, 7p.

Hibbs, B J., and Darling, B.K., 1995, Environmental isotopes and numerical models for understanding aquifer dynamics in southwestern basins: in Advances in the Development and Use of Models in Water Resources: American Water Resources Association, p. 195-200.

Hibbs, B.J., Darling, B.K., and Ashworth, J.B., 1995, Interbasin movement of ground water and vertical ground-water flow: in Texas Water '95, First International Congress on Water, American Society of Civil Engineers, p. 267-277.

Hibbs, B. J., Darling, B. K., Sharp, J. M., Jr., and Ashworth, J. B., 1996, Simulation of Regional Ground-Water on a Transboundary Flow Line, Trans-Pecos Texas and Chihuahua, Mexico: in North American Water and Environment Congress 96, Am. Soc. Civil Engineers, Anaheim, CA, 8p.

Hiss, W. L., 1975. Stratigraphy and ground water hydrology of the Capitan aquifer, southeastern New Mexico and western Texas: unpub. Ph. D. dissertation, University of Colorado, Boulder, 396p.

Hiss, W. L., 1980, Movement of ground water in Permian Guadalupian aquifer systems, southeastern New Mexico and western states: in (Dickerson, P. W., Hoffer, J. M., and Callender, I. F., eds.) Trans-Pecos Region, Southeastern New Mexico and West Texas: New Mexico Geological Society Guidebook, 31st Field Conference, p. 285-287.

Hoy, R. N., and Gross, G. W., 1982, A baseline study of oxygen-18 and deuterium in the Roswell, New Mexico groundwater basin: New Mexico Water Resources Research Institute Report 44, 95p.

Jackson, M. L. W., Langford, R. P., and Whitlaw, M., 1993, Quaternary history, basin-fill stratigraphy, and paleomagnetics, fissures, and pseudofissures of the Eagle Flat study area: The University of Texas at Austin, Bureau of Economic Geology final contract report prepared for Texas Low-Level Radioactive Waste Disposal Authority under Interagency Contract IAC (92-93)-0910

King, P. B., 1965. Geology of the Sierra Diablo region, Texas: United States Geological Survey Professional Paper 480, 185p.

King, P. B., and Flawn, P. T., 1953, Geology and mineral deposits of Precambrian rocks of the Van Horn area, Texas: The University of Texas at Austin, Bureau of Economic Geology Publication 5301, 218p.

Kreitler, C. W., Mullican, W. F., and Nativ, R., 1990, Hydrogeology of the Diablo Plateau, Trans-Pecos Texas: in (Kreitler, C. W., and Sharp, J. M., eds.) Hydrogeology of Trans-Pecos Texas: The University of Texas, Bureau of Econ. Geol. Guidebook 25, p. 49-58.

Kreitler, C. W., Raney, J. A., Nativ, R., Collins, E. W., Mullican, W. F., Gustavson, T. C., and Henry, C. D., 1986, Preliminary geologic and hydrologic studies of selected areas in Culberson and Hudspeth counties, Texas, final report for the Texas Low-Level Radioactive Waste Disposal Authority under contract no. IAC (86-87)0818, 184p.

Kreitler, C. W., and Sharp, J. M., Jr. (eds.), 1990, Hydrogeology of Trans-Pecos Texas: The University of Texas, Bureau of Econ. Geol. Guidebook, 25, 120p.

LaFave, J. I., 1987, Groundwater flow delineation in the Toyah Basin of Trans-Pecos Texas: unpub. M. A. thesis, The University of Texas at Austin, 160p.

Lambert, S. J., 1978, Geochemistry of Delaware Basin groundwaters: in (Austin, G. S., ed.) Geology and Mineral Deposits of Ochoan Rocks in Delaware Basin and Surrounding Areas: New Mexico Bureau of Mines and Mineral Resources Circular 159, p. 33-38.

Lambert, S. J., 1987, Feasibility study: applicability of geochronologic methods involving radiocarbon and other nuclides to the groundwater hydrology of the Rustier Formation, southeastern New Mexico: Sandia National Laboratories, Albuquerque, New Mexico, report prepared for U.S. Department of Energy under contract DE-AC04-76DPOO7 89, 72p.

Lambert, S.J., 1992, Fossil meteoric groundwaters in the Delaware Basin of southeastern New Mexico: Sandia National laboratories, Albuquerque, New Mexico, prepared for U.S. Department of Energy under contract DE-AC04- 76DPOO789, 44p.

Lambert, S. J., and Harvey, D. M., 1987, Stable-isotope geochemistry of groundwaters in the Delaware Basin of southeastern New Mexico: Sandia National Laboratories, Albuquerque, New Mexico, prepared for U.S. Department of Energy under contract DE-AC04-76DPW789, 218p.

Langford, R. P., 1993, Landscape evolution of Eagle Flat and Red Light basins, Chihuahuan Desert, South-Central Trans-Pecos Texas: The University of Texas at Austin, Bureau of Economic Geology contract report, prepared for Texas Low-Level Radioactive Waste Disposal Authority under Interagency Contract IAC (92-93)-0910.

LeMone, D. V., Simpson, R. D., and Turnsek, D., 1983, Preliminary examination of the Espy Formation late Albian) coral fauna from the northwestern Eagle Mountains, Hudspeth County, Texas: in (Meader-Roberts, S. J., ed.) Geology of the Sierra Diablo and southern Hueco Mountains, West Texas: Society of Economic Paleontologists and Mineralogists, Permian Basin Section, p. 114-121.

Mayer, J. R., and Sharp, J. M., Jr., 1995, The role of fractures in regional ground-water flow: in Mechanics of Jointed and Faulted Rock (ed. Rossmanith, H.-P.), A. A. Balkema, Rotterdam, p. 375-381.

Mayer, J. M., and Sharp, J. M., Jr., 1998, Fracture control of regional ground-water flow in a carbonate aquifer in a semi-arid region: Geol. Soc. America Bull., v. 110, p. 269-283.

Meissner, F. F., 1972. Cyclical sedimentation in mid-Permian strata: in (Elam, J. G., and Chuber, S., eds.) Cyclic sedimentation in the Permian Basin: West Texas Geological Society Publication 72-18, p. 203-232.

Mifflin, M. D., 1968, Delineation of ground-water flow systems in Nevada: University of Nevada at Reno, Center for Water Resources Research and Desert Research Institute Technical Report Series H-W, No. 4, 112p.

Motts, W. S., 1965, Hydrologic types of playas and closed valleys and some relations of hydrology to playa geology: in (Neal, J. T., ed.), Geology, mineralogy, and hydrology of U.S. playas: Air Force Cambridge Research Laboratory, Environmental Research Paper 96, p. 73-104.

Muehlberger, W. R., and Dickerson, P. W., 1989, Structure and Stratigraphy of Trans-Pecos Texas: American Geophysical Union Field Trip Guidebook T317, 197p.

Muehlberger, W. R., Hedge, C. E., Denison, R. E., and Marvin, R. F., 1966, Geochronology of the midcontinent region, United States: 3, southern area: Journal of Geophysical Research, v. 71, p. 5409-5426.

Mullican, W. F., and Senger, R. K., 1992, Hydrogeologic investigations of deep ground-water flow in the Chihuahuan Desert, Texas: The University of Texas at Austin, Bureau of Economic Geology, Rept Inv. No. 205, 60p.

Nielson, P. D., and Sharp, J. M., 1985, Tectonic controls on the hydrogeology of the Salt Basin, Trans-Pecos Texas, in (Dickerson, P. W., and Muehlberger, W. R., eds.), Structure and Tectonics of Trans-Pecos Texas: West Texas Geological Society Pub. 85-81, p. 231-234.

Ogilbee, W., Wesselman, J. B., and Ireland, B., 1962, Geology and ground-water resources of Reeves County, Texas: Texas Water Commission Bull. No. 6214, v. 1, 193p. and v. 2, 245p.

Orr, B. R., and Risser, D. W., 1992, Geohydrology and potential effects of development of freshwater resources in the northern part of the Hueco Bolson, Dona Ana and Otero Counties, New Mexico, and El Paso County, Texas: U.S. Geol. Survey Water Resources Investigations Report 91-4082, 92p.

Osburg, C., Berge, T., Dowse, M., and Dickerson, E., 1985, Third day road log from Van Horn to Devil Ridge, to Malone Mountains, to Sierra San Ignacio, and on to Alpine: in (Dickerson, P. W., and Muehlberger, W. R., eds.), Structure and Tectonics of Trans-Pecos Texas: West Texas Geological Society Pub. 85-81, p. 17-26.

Paine, J. G., Miller, K. C., and Hua, Fa, 1993, Seismic reflection, refraction, and surface wave studies at the proposed low-level radioactive waste repository, Hudspeth County, Texas: The University of Texas at Austin, Bureau of Economic Geology contract report, prepared for Texas Low-Level Radioactive Waste Disposal Authority under Interagency Contract IAC (92- 93)-0910, 67 p.

Pearson, B. T., 1985, Tertiary structural trends along the northeast flank of the Davis Mountains: in Dickerson, P. W., and Muehlberger, W. R., eds.) Structure and Tectonics of Trans-Pecos Texas: West Texas Geological Society Publication 85-81, pages 153-156.

Raney, J. A., and Collins, E., 1993, Regional geologic setting of the Eagle Flat study area, Hudspeth County, Texas: The University of Texas at Austin, Bureau of Economic Geology contract report, prepared for Texas Low- Level Radioactive Waste Disposal Authority under Interagency Contract IAC (92-93)-0910, 53p.

Reed, E. L., 1965, A study of groundwater reserves: Capitan Reef reservoir, Hudspeth and Culberson Counties, Texas: unpub. report.

Scalapino, R. A., 1950, Development of ground water for irrigation in the Dell City area, Hudspeth County, Texas: Texas Board of Water Engineers Bulletin 5004, 41p.

Scanlon, B. R., 1992, Environmental and applied tracers as indicators of liquid and vapor transport in the Chihuahuan Desert, Texas: The University of Texas at Austin, Bureau of Economic Geology, Rept. Inv. No. 207, 51p.

Scanlon, B. R., Wang, F. P., and Richter, B. C., 1991, Field studies and numerical modeling of unsaturated flow in the Chihuahuan Desert: The University of Texas at Austin, Bureau of Economic Geology, Rept. Inv. No. 199, 56p.

Scanlon, B. R., Xiang, J., and Goldsmith, R. S., 1993, Unsaturated zone studies at the proposed low-level radioactive waste disposal facility, Eagle Flat Basin, Texas: The University of Texas at Austin, Bureau of Economic Geology, contract report prepared for the Texas Low-Level Radioactive Waste Disposal Authority under Interagency Contact Number IAC (92-93)-0190, 208p.

Schuster, S. K., 1996, Water resource and planning assessment in San Solomon Springs and associated spring systems surrounding Balmorhea, Texas: unpub. M. S. thesis, The University of Texas at Austin, 102p.

Sharp, J. M., 1989. Regional ground-water systems in northern Trans-Pecos Texas: in (Dickerson, P. W., and Muehlberger, W. R., eds.), Structure and Stratigraphy of Trans-Pecos Texas: American Geophysical Union Field Trip Guidebook T317, p. 123-130.

Sharp, J. M., Jr., 1993, Fractured aquifers/reservoirs: Approaches, problems, and opportunities: in (Banks, D., and Banks, S., eds.), Hydrogeology of Hard Rocks: Memoires of the 24th Congress, International Association Hydrogeologists Oslo, Norway, part 1, p. 23-38.

Sharp, J. M., Jr., 1997, Regional hydrogeologic trends in northern Trans-Pecos Texas: Geol. Soc. America, Abs. with Programs (South-Central/Rocky Mountain Secs.), v. 29, p. 46.

Sharp, J. M., Jr., 1998, Sustainable groundwater supplies - an evolving issue: examples from major carbonate aquifers of Texas, U. S. A.: in Groundwater: Sustainable Solutions (eds., Weaver, T. R., and Lawrence, C. R.), Int. Assoc. Hydrogeologists, Melbourne, p. 1- 12.

Sharp, J. M., Jr., and Banner, J. L., 1997, The Edwards aquifer a resource in conflict: GSA Today, v.7, no. (8), p.1-9.

Sharp, J. M., Jr., and Uliana, M. M., 1998, Regional groundwater flow in a semi-arid region - Controls of fracture systems in carbonate units: Geol. Soc. America, Abs. with Programs (Ann. Mtg.), v. 30, p. A-203.

Snyder, C. T., 1962, A hydrologic classification of valleys in the Great Basin, western United States: International Assoc. of Scientific Hydrology Bull., v. 7, no. 3, p. 53 - 59.

Strain, W. S ., 1980, Pleistocene rocks in El Paso and Hudspeth Counties, Texas, adjacent to Interstate Highway 10: in (Dickerson, P. W., Hoffer, J. M., and Callender, I. F., eds.) Trans-Pecos Region, Southeastern New Mexico and West Texas: New Mexico Geological Society 31st Field Conference, p. 179-181.

Stute, M., Schlosser, P., Clark., J. F., and Broecker, W. S., 1992, Paleotemperatures in the southwestern United States derived from noble gases in ground water: Science, v. 256, p. 1000- 1003.

Tyler, S. W., Chapman, J. B., Conrad, S. H., Hammermeister, D. P., Blout, O., Miller, J.J., Sully, M. J., and Ginanni, J. M., 1996, Soil-water flux in the southern Great Basin, United States: temporal and spatial variations over the last 120,000 years: Water Resources Research, v. 32, p. 1481- 1499.

Underwood, J. R., Jr., 1962, Geology of the Eagle Mountains and vicinity, Trans- Pecos, Texas: The University of Texas at Austin, Ph. D. dissertation, 560p.

Underwood, J. R., Jr., 1980, Geology of the Eagle Mountains: in (Dickerson, P. W., Hoffer, J. M., and Callender, I. F., eds.) Trans-Pecos Region, Southeastern New Mexico and West Texas: New Mexico Geological Society Guidebook, 31st Field Conference, p. 183-193.

University of Texas, 1990, Hydrology of Springs and Shallow Ground Water near Balmorhea: Dept. Geological Sciences, Austin, TX, unpub. report.

University of Texas, 1992, Water Characteristics of Springs and Groundwater near Balmorhea, Texas: Dept. Geological Sciences, Austin, TX, unpub. report.

University of Texas, 1995, Hydrologic Investigations in the Toyah Basin near Balmorhea, Texas: Dept. Geological Sciences, Austin, TX, unpub. report.

Veni. G., 1991, Delineation and Preliminary Hydrogeologic Investigation of the Diamond Y Spring, Pecos County, Texas: unpub. report, 110p.

White, D. E., Gates, J. S., Smith, J. T., and Fry, B. J., 1980, Ground-water data for the Salt Basin, Eagle Flat, Red Light Draw, Green River Valley, and Presidio Bolson in westernmost Texas: Texas Department of Water Resources Report 259, 97p.

White, W. N., Gale, H. S., and Nye, S. S., 1941,Geology and ground-water resources of the Balmorhea area, western Texas: U. S. Geological Survey Water-Supply Paper, 849-C, p. 83-146.

Winograd, I. A., and Thordarson, W., 1975, Hydrogeological and hydrochemical framework, south central Great Basin, with special reference to the Nevada Test Site: U.S. Geol. Survey Professional Paper 712-C.

Young, P.W., 1981, Evaluation of surface and ground irrigation water in the lower El Paso Valley, emphasizing Hudspeth County, Texas: West Texas Council of Governments, 219 p