Logs of test holes, Richardson County, Nebraska. Based on test holes drilled ...
in cooperation with the Geological Survey, U.S. Dept. of the Interior, during the period 1931 to 1952, inclusive.
APA Citation
University of Nebraska (Lincoln campus). Conservation and Survey Division. (1953). Logs of test holes, Richardson County, Nebraska. Based on test holes drilled ... [Lincoln?].
MLA Citation
University of Nebraska (Lincoln campus). Conservation and Survey Division. Logs of Test Holes, Richardson County, Nebraska. Based On Test Holes Drilled ... [Lincoln?], 1953.
Warning: These citations may not always be complete (especially for serials).