title: A missing link in the historical development of hydrogeology.
authors.affiliation: Daniel B. Stephens & Associates Inc., 6020 Academy Rd. NE, Suite 100, Albuquerque, NM 87109-3315, USA.
authors.forename: Daniel B
authors.initials: DB
authors.lastname: Stephens
authors.forename: Mark D
authors.initials: MD
authors.lastname: Ankeny
mesh_terms: D004784:Environmental Monitoring; D005844:Geology / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D014872:Water Movements; D014881:Water Supply / Q000266:history*