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Summary of ground-water hydrological data in Michigan in 1970
G.C. Huffman, T. Thompson
1971, Open-File Report 72-173
The purpose of this report is to make available the records of groundwater levels in principal aquifers of the State through 1970 and to compile other related data, such as records of ground-water pumpage, data on municipal, public and industrial water-supply facilities, and the effects of precipitation on ground-water levels....
Hydrology of two small river basins in Pennsylvania before urbanization, with a section on observation of stream fauna
R. Adam Miller, John Troxell, Luna Bergere Leopold, Ruth Patrick, Robert R. Grant Jr.
1971, Professional Paper 701-A
Basic data on water quantity, chemical quality, and suspended sediment are tabulated to record the conditions existing in two basins near Philadelphia, each about 32 square miles in area. The basins in 1970 are agricultural land for the most part, but urban and industrial development is imminent as the Philadelphia...