TY - RPRT TI - Ground-water data-collection protocols and procedures for the National Water-Quality Assessment Program : collection, documentation, and compilation of required site, well, subsurface, and landscape data for wells AU - Michael T. Koterba PY - 1998 DO - 10.3133/wri984107 UR - https://pubs.usgs.gov/publication/wri984107 ID - wri984107 ER -