TY - RPRT TI - Diver-operated manometer: A simple device for measuring hydraulic head in underwater wells AU - C. D. Reich PY - 1996 DO - 10.1306/d426848c-2b26-11d7-8648000102c1865d UR - https://pubs.usgs.gov/publication/70019096 ID - 70019096 ER -