TY - RPRT TI - Study guide for a beginning course in ground-water hydrology; Part I, Course participants AU - O.L. Franke AU - T. E. Reilly AU - R.J. Haefner AU - D. L. Simmons PY - 1990 DO - 10.3133/ofr90183 UR - https://pubs.usgs.gov/publication/ofr90183 ID - ofr90183 ER -