Geophysical investigations in the Colorado delta region
The combined approach of gravity and seismic re-fraction exploration was used to determine depths of the Cenozoic section and to study the fault pattern in the Colorado Delta region. Basement depths measured varied from about 2200 feet to a minimum depth of 15,400 feet along the internation...
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https://thesis.library.caltech.edu/5426/1/Kovach_rl_1962.pdfhttps://thesis.library.caltech.edu/5426/2/Kovach_rl_1962_plate_1.PDF
https://thesis.library.caltech.edu/5426/3/Kovach_rl_1962_plate_2.PDF
Kovach, Robert Louis (1962) Geophysical investigations in the Colorado delta region. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/B362-3G65. https://resolver.caltech.edu/CaltechTHESIS:12072009-142350784 <https://resolver.caltech.edu/CaltechTHESIS:12072009-142350784>