TY - RPRT TI - Study guide for a beginning course in ground-water hydrology AU - O.L. Franke AU - T. E. Reilly AU - H. T. Buxton AU - D. L. Simmons PY - 1993 DO - 10.3133/ofr92637 UR - https://pubs.usgs.gov/publication/ofr92637 ID - ofr92637 ER -