'Usgs professional paper' diaporamas de présentation

Projections and Coordinates

879 views • 52 slides

Classification of Aquifers Systems in U.S.

Classification of Aquifers Systems in U.S. Fuller, 1905 Meinzer, 1923 Thomas, 1952 RASA, 1978 Heath, 1984 Heath, 1988 Hydrogeologic Atlas, 1990s. 21 regions, based on bedrock aquifers. Aquifer Regions in U.S. according to Meizner, 1923. Combined and simplified to 10 regions.

498 views • 14 slides

Science at the Ends of the Earth

Science at the Ends of the Earth. GLACIER STUDIES PROJECT U.S. Geological Survey Earth Surface Dynamics Program U.S. Climate Change Science Program Books, Scientific Papers, and Maps to Be Published During IPY.

370 views • 12 slides