Scientific Investigations Map 3365 GDB.zip data

Mark C. Kasmarek, Jason K. Ramage, and Michaela R. Johnson

Water-Level Altitudes 2016 and Water-Level Changes in the Chicot, Evangeline, and Jasper Aquifers and Compaction 1973–2015 in the Chicot and Evangeline Aquifers, Houston-Galveston Region, Texas

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Posted online October 21, 2016

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The GBD.zip data was replaced online May 4, 2017

In Datasets: In the Geodatabase (https://pubs.usgs.gov/sim/3365/datasets/GIS_Data_for_SIM3365_2016WaterLevelChange_Series_GDB.zip), only the following datasets separated by aquifer that contain the individual feature classes are now provided:
	
   Chicot aquifer - (feature dataset name)
   Feature classes:
   ch16pt - water-level altitudes, 2016
   ch16arc - approximate water-level altitudes, 2016
   ch1516pt - water-level changes, 2015-16
   ch1116pt - point values of water-level changes, 2011-16
   ch1116arc - water-level changes, 2011-16
   ch9016pt - point values of water-level changes, 1990-2016
   ch9016arc - water-level changes, 1990-2016
   ch7716pt - point values of water-level changes, 1977-2016
   ch7716arc - water-level changes, 1977-2016

   Evangeline aquifer - (feature dataset)
   Feature classes:
   ev16pt - water-level altitudes, 2016
   ev16arc - approximate water-level altitudes, 2016
   ev1516pt - water-level changes, 2015-16
   ev1116pt - point values of water-level changes, 2011-16
   ev1116arc - water-level changes, 2011-16
   ev9016pt - point values of water-level changes, 1990-2016
   ev9016arc - water-level changes, 1990-2016
   ev7716pt - point values of water-level changes, 1977-2016
   ev7716arc - water-level changes, 1977-2016

   Jasper aquifer - (feature dataset name)
   Feature classes:
   ja16pt - water-level altitudes, 2016
   ja16arc - approximate water-level altitudes, 2016
   ja1516pt - water-level changes, 2015-16
   ja1116pt - point values of water-level changes, 2011-16
   ja1116arc - water-level changes, 2011-16
   ja0016pt - point values of water-level changes, 2000-16
   ja0016arc - water-level changes, 2000-16