Progress report on Arizona gravity map, in Hahman, W.R., Sr., Low-temperature geothermal reservoir site evaluation in Arizona - Quarterly progress report, February 1-April 30, 1978

Sumner, J.S., 1978, Progress report on Arizona gravity map, in Hahman, W.R., Sr., Low-temperature geothermal reservoir site evaluation in Arizona - Quarterly progress report, February 1-April 30, 1978: U.S. Department of Energy Report COO-4362-4, p. 109-112.