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<br />36
<br />
<br />205. Dolan, R., A. Howard, and A. Gallenson. 1974. Man's impact on the Colorado River in the
<br />Grand Canyon. Am. Sci. 62(4): 392-401.
<br />
<br />ALTERATION, HISTORY, RECREATION, RIVER-Colorado
<br />
<br />Reviews the history of man's alteration of the Colorado River and the effect of man on
<br />the beaches from recreational use in the Grand Canyon. The same kinds of effects are
<br />occurring from increased recreational use of rivers in the Upper Colorado River Basin.
<br />
<br />206. Dolenc, D. A. 1967.
<br />River, Wyoming.
<br />
<br />A survey of the algae of the Green River near the town of Green
<br />M. S. Thesis, Univ. Wyoming, Laramie. 89 pp.
<br />
<br />LIMNOLOGY, PLANKTON, RIVER-Green, SALINITY, WATER QUALITY
<br />
<br />Lists the composition of algae (phytoplankton and periphyton) in the Green River. Also
<br />provides data on chemical and physical characteristics of the river.
<br />
<br />207. Doll, G. F., and C. Phillips. 1972. Wyoming's hunting and fishing resources--1970.
<br />University of Wyoming, College of Commerce and Ind., Division of Business and
<br />Economic Research, Laramie. 116 pp.
<br />
<br />ECONOMICS, FISH, MANAGEMENT, RECREATION, WILDLIFE
<br />
<br />Detailed report of expenditures of hunters and fishermen in Wyoming. Includes information
<br />on their attitudes toward present regulations and conditions and opinions for improvement.
<br />Also includes information about landowners' attitudes toward hunting and fishing.
<br />
<br />208. Doneen, L. D., editor. 1958. Proceedings of conference on quality of water for irrigation.
<br />Univ. Calif. Davis, Water Resour. Contrib. 14. 206 pp.
<br />
<br />ECONOMICS, GROUNDWATER, IRRIGATION, WATER QUALITY
<br />
<br />Emphasizes quality of water used for irrigation, and in return flows.
<br />
<br />209. Douglas, P. A.
<br />(Abbott).
<br />
<br />1952. Notes on the spawning of the humpback sucker, Xyrauchen texanus
<br />Calif. Fish Game 38(2): 149-155.
<br />
<br />ABUNDANCE, FISH-rare, LIFE HISTORY, RIVER-Colorado
<br />
<br />Spawning and collecting of humpback suckers in Lake Havasu on the lower Colorado River are
<br />described.
<br />
<br />210. Drummond, R. A.
<br />Colorado.
<br />Rep. 10.
<br />
<br />1966. Reproduction and harvest of cutthroat trout at Trappers Lake,
<br />Colo. Game Fish Parks Dep., Denver. Fed. Aid Proj. F-018-R and Spec.
<br />26 pp.
<br />
<br />FISH, LIFE HISTORY, MANAGEMENT
<br />
<br />Compares the effects of angling harvest on the reproductive potential of cutthroat trout
<br />in Trappers Lake, Garfield County, Colorado.
<br />
<br />211. Drummond, R. A., and L. G. Colborn. 1965. Ecological study of cutthroat trout in
<br />Trappers Lake, Colorado: evaluation of cutthroat trout reproduction in the Trappers
<br />Lake inlets. Colo. Game Fish Parks Dep., Denver. Fed. Aid Proj. F-018-R-04, Job 8.
<br />81 pp.
<br />
<br />FISH, LIFE HISTORY, MANAGEMENT, RIVER-Colorado Basin
<br />
<br />Evaluates reproductive success of cutthroat trout in Trappers Lake inlets and gives
<br />information on algae, zooplankton, benthos, and water chemistry for this lake (Garfield
<br />County, in the Colorado River basin).
<br />
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