TY - RPRT TI - Hydrogeologic characteristics and geospatial analysis of water-table changes in the alluvium of the lower Arkansas River Valley, southeastern Colorado, 2002, 2008, and 2015 AU - Michael J. Holmberg PY - 2017 DO - 10.3133/sim3378 UR - https://pubs.usgs.gov/publication/sim3378 ID - sim3378 ER -