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<br />56
<br />
<br />335. Grim, E. C., and R. D. Hill. 1974. Environmental protection in surface mining of coal.
<br />U. S. Environ. Protect. Agency, Cincinnati, Ohio. 277 pp.
<br />
<br />ECOLOGY, MINERAL, RESOURCES
<br />
<br />Outlines methods for the protection of the environment ,during surface coal mining.
<br />
<br />'336. Grimes, A. E. 1972. Annotated bibliography on weather modification, 1960-1969. U. S.
<br />Natl. Ocean. Atmos. Admin., Tech. Memo. EDS ESIC-l. 413 pp.
<br />
<br />BIBLIOGRAPHY, PRECIPITATION, WEATHER
<br />
<br />Bibliography on a decade of weather modification efforts.
<br />
<br />337. Grinnell, J. 1914. 'An account of the mammals and birds of the lower Colorado Valley.
<br />Univ. California Publ. Zool. 12: 51-294.
<br />
<br />DESCRIPTION, DISTRIBUTION, FISH, RIVER-Colorado, VEGETATION, WILDLIFE
<br />
<br />Broad and rather comprehensive description of wildlife in the lower Colorado River Valley
<br />including the river morphology, native fish species, and man's effect on the river.
<br />
<br />338. Gunnerson, C. G. 1966. An atlas of water pollution surveillance in the United States,
<br />October 1, 1957 to September 30, 1965. U. S. Fed. Water Pollut. Contr. Admin.,
<br />Div. Pollut. Surveil1., Cincinnati, Ohio. 48 figures.
<br />
<br />INVERTEBRATE, MINERAL, POLLUTION
<br />
<br />Atlas of U. S. waters, with information on algae, invertebrates, minerals, and pesticides.
<br />
<br />339. Gustafson, E. S. 1975. Early development, adult sexual dimorphism, and fecundity of the
<br />razorback sucker, Xyrauchen texanus (Abbott). Lower Colorado River Basin Res. Lab.,
<br />Arizona State Univ., Tempe. Final Rep. to U. S. Fish and Wildl. Serv.,
<br />Albuquerque, N. M. 43 pp.
<br />
<br />DESCRIPTION, DISTRIBUTION, FISH, LIFE HISTORY, RIVER-Colorado
<br />
<br />Details the development of eggs and larvae from time of fertilization until day 227 for
<br />Xyrauchen texanus. Describes six sexually dimorphic characteristics for adult Xyrauchen,
<br />and fecundity of five adult females.
<br />
<br />340. Hagen, H. K. 1962. A preliminary survey of the vertebrate and invertebrate faunas of
<br />Dinosaur National Monument. Colorado State Univ., Fort Collins. 17 pp. (Unpubl.
<br />manuscr.)
<br />
<br />FISH, INVERTEBRATE, RIVER-Green
<br />
<br />Reports on two cursory surveys of fish and invertebrates in Dinosaur National Monument
<br />during fall 1961.
<br />
<br />341. Hagen, H. K., and J. L. Banks. 1963. Ecological and limnological studies of the Green
<br />River in Dinosaur National Monument. U. S. Natl. Park Servo and Colo. State Univ.,
<br />Fort Collins, Contract 14-10-0232-686. 31 pp.
<br />
<br />DISTRIBUTION, FISH, LIMNOLOGY, RIVER-Green, Yampa
<br />
<br />Description of fish and invertebrate sampling in Dinosaur National Monument during the
<br />summers of 1961-62. Two Colorado squawfish were collected at Split Mountain in 1962
<br />but none at the Gates of Ladore, Echo Park, Island Park, or Castle Park.
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