W. F. Horak

Identifiers

Open LibraryOL4856229A

Top Subjects

Groundwater -- North Dakota -- Williston Region (1)
Environmental conditions (1)
International cooperation (1)
Environmental policy (1)
Research (1)
Environmental sciences (1)
Geological Survey (U.S.) (1)

Books by W. F. Horak

Total count: 2

Geohydrologic reconnaissance of the Avoca lignite deposit area near Williston, northwestern North Dakota

U.S. Dept. of the Interior, Geological Survey1985-01-01
United States-Mexican borderlands.... facing tomorrow's challenges through USGS science

U.S. Department of the Interior, U.S. Geological Survey2013-01-01