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Lithostratigraphic and hydrogeologic observations for the unconfined aquifer of western Cape Cod are limited near coastal groundwater-discharge areas. In spring 2015, a 310-foot-deep boring was drilled and a well was installed to 100 feet below land surface to facilitate detailed study of aquifer characteristics along the southern coast of Cape Cod. Characteristics of interest included the depth and character of the freshwater/saltwater interface and bedrock surface, and vertical variations in grain size, bedding structure, and hydraulic conductivity. Sediment cores were collected from land surface to the bedrock surface at 305 feet below land surface. Bedrock cores were collected from 305 to 310 feet below land...
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The Edwards and Trinity aquifers are major sources of water for agriculture, industry, and urban and rural communities in south-central Texas. Both the Edwards and Trinity aquifers are classified as major aquifers by the State of Texas. The dissolution of the carbonate rocks composing the Edwards and Trinity aquifers results in distinctive landforms rich in both springs and karst features (caves, sinkholes, and other visible areas of solution-enlarged porosity). Previous studies such as those by the U.S. Geological Survey (USGS) and the Texas Bureau of Economic Geology (BEG) have mapped the geology, hydrostratigraphy, and structure in these areas at various scales. The purpose of this data release is to present...


    map background search result map search result map Observations of Lithostratigraphy and Hydrogeology From a Boring Drilled to Bedrock in Glacial Sediments Near Nantucket Sound in East Falmouth, Cape Cod, Massachusetts Geospatial Dataset for the Geologic Framework and Hydrostratigraphy of the Edwards and Trinity Aquifers Within Northern Bexar and Comal Counties, Texas, at 1:24,000 scale Observations of Lithostratigraphy and Hydrogeology From a Boring Drilled to Bedrock in Glacial Sediments Near Nantucket Sound in East Falmouth, Cape Cod, Massachusetts Geospatial Dataset for the Geologic Framework and Hydrostratigraphy of the Edwards and Trinity Aquifers Within Northern Bexar and Comal Counties, Texas, at 1:24,000 scale