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Page 299, results 7451 - 7475

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Habitat Suitability Index Models: Western grebe
Henry L. Short
1984, FWS/OBS 82/10.69
The western grebe (Aechmophorus occi denta 1is) "breeds from southeastern Alaska, south-central British Columbia, central Alberta, central Saskatchewan and southwestern Manitoba south to southern Californi a, north-central Utah, southwestern Colorado, southwest~rn and northeastern New Mexico, western Nebraska, northwestern Iowa, and western Minnesota; and locally in Mexico from Chihuahua and Durango...
Geological Survey research, fiscal year 1981
Water Resources Division, U.S. Geological Survey
1984, Professional Paper 1375
A summary of recent significant scientific and economic results accompanied by a list of geologic, hydrologic, and cartographic investigations in progress....
Habitat Suitability Index Models: Canvasback (breeding habitat)
Richard L. Schroeder
1984, FWS/OBS 82/10.82
Canvasbacks (Aythya valisineria) breed from Alaska south to Montana and the Dakotas, with the highest breeding densities found in the parklands of Southcentral Canada (Bellrose 1976). Canvasbacks nest over water in a variety of wetland habitats, including large marshes, ponds, sloughs, and potholes. Their preferred breeding habitat is shallow prairie...
Engineering geology studies in the National Petroleum Reserve, Alaska
Reuben Kachadoorian, F.E. Crory
1984, Open-File Report 83-6
Engineering geology studies were conducted in direct support of the exploration program in the National Petroleum Reserve, Alaska. The studies included laboratory and field tests and observations to address design and construction problems of airfields, roads, drill pads and foundations, and to evaluate their actual performance. Permafrost containing large amounts...