Search results for: Showalter, P. K.

Showing 1 - 2 results of 2 Refine Results
  1. 1

    Exploratory wells drilled in the Los Angeles 1:100,000 quadrangle, California : to accompany preliminary map of exploratory wells showing bottom-hole geology drilled in the Los Ang...

    Authors: Yerkes, R. F., 1923-
    Published: U.S. Department of the Interior, U.S. Geological Survey, 1990
    Other Authors: “…Showalter, P. K.…”
    Physical Description: 1 unnumbered page, 46 pages : map ; 28 cm.
    Government Document Microfilm Book
  2. 2

    Mapping topographic form by digital image-processing in the San Jose 1:100,000 sheet, California

    Authors: Pike, Richard J.
    Published: U.S. Geological Survey ; [Books and Open-File Reports Section, distributor], 1992
    Other Authors:
    Physical Description: 56 pages : illustrations, maps ; 28 cm.
    Government Document Microfilm Book