TY - RPRT TI - Water-level changes in the High Plains aquifer, predevelopment to 2001, 1999 to 2000, and 2000 to 2001 AU - Virginia L. McGuire PY - 2003 DO - 10.3133/fs07803 UR - https://pubs.usgs.gov/publication/fs07803 ID - fs07803 ER -