Found 7 datasets matching "San Marcos River".
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The Texas Water Development Board classifies the karstic Edwards and Trinity aquifers as major sources of water in south-central Texas. To effectively manage the water resources in the area,...
Search relevance: 45.80 | Views last month: 0 -
This data release supports the U.S. Geological Survey Scientific Investigation Map (SIM) by Clark and others (2020) by documenting the data used to create the geologic maps and describe geologic...
Search relevance: 36.72 | Views last month: 0 -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 33.16 | Views last month: 0 -
The karstic Edwards and Trinity aquifers are classified as major sources of water in south-central Texas by the Texas Water Development Board, and both are classified as major aquifers by the...
Search relevance: 31.62 | Views last month: 0 -
National Park Service unit points.
Search relevance: 7.52 | Views last month: 27 -
National Park Service unit boundaries.
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National Park Service Unit tract polygons
Search relevance: 6.68 | Views last month: 0