Geophysical surveys for characterizing the hydrogeologic regime in the vicinity of Kealakehe, Hawaii

"This report contains a compilation of results of time domain electromagnetic TDEM geophysical surveys conducted to assist in ground water resource evaluation in the vicinity of Kealakehe, Island of Hawaii. The surveys were performed by Blackhawk Geosciences, Inc. BGI for three separate clients. The clients and the dates for each survey are as follows: Queen Liliuokalani Trust QLT from April 26 to April 30, 1991 State of Hawaii State through Belt Collins and Associates from May 1 to May 2, 1991 Lanihau Partners LP from September 11 to September 13, 1990.The LP data has previously been interpreted and the results are contained in a separate report delivered to LP in October 1990. By agreement from all concerned parties, the results for all three data sets are contained in this report.The primary objective of the geophysical surveys was to determine the elevation and thickness of the lens of fresh water floating on salt water."Division of Water and Land Development, Department of Land and Natural Resources, State of Hawai