Water-level altitudes 1996, water-level changes 1977-96 and 1995-96, and compaction 1973-95 in the Chicot and Evangeline aquifers, Houston-Galveston region, Texas

Kasmarek, M.C.
Coplin, L.S.
Santos, H.X.
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U.S. Geological Survey

This report is one in an annual series of reports that depicts water-level altitudes and water-level changes since 1977 and compaction since 1973 in the Chicot and Evangeline aquifers in the Houston-Galveston region, Texas. It consists of eight maps, 34 cm X 51 cm, with latitude 30 00'N - 29 15'N and longitude 96 00'W - 94 30'W. It presents maps for the Chicot and Evangeline aquifers showing the approximate altitudes of water levels in 1996 (figs. 1,4), approximate changes in water levels in wells from 1977 to 1996 and from 1995 to 1996 (figs. 2,3,5,6), extensometer site locations (fig. 7), and graphs showing measured compaction of subsurface material at selected sites from 1973 to 1995 (fig. 8). A brief geohydrological description is also included.

8 maps
aquifers, water levels, wells, compaction, subsidence, hydrological data, hydrographic maps