TY - RPRT TI - WATSTORE (National Water Data Storage and Retrieval System) user's guide; Volume 4, Supplement AU - W.L. Isherwood AU - P.H. Carrigan AU - W. Kirby AU - M.E. Jennings PY - 1976 DO - 10.3133/ofr76435 UR - https://pubs.usgs.gov/publication/ofr76435 ID - ofr76435 ER -