J. E. Springer

$A survey of natural fractures at the Hi Vista site, Mojave Desert, California$ A survey of natural fractures at the Hi Vista site, Mojave Desert, California
$Geologic data report on the Black Butte hydrofrac hole, western San Bernardino County, California$ Geologic data report on the Black Butte hydrofrac hole, western San Bernardino County, California
In-situ stress project, technical report number 2
In-situ stress project, technical report number 4