Spradley, L. H. (1994). Surveying and navigation for geophysical exploration. International Human Resources Development Corporation.
Chicago Edition CitationSpradley, L. Harold. Surveying and Navigation for Geophysical Exploration. Boston: International Human Resources Development Corporation, 1994.
MLA Edition CitationSpradley, L. Harold. Surveying and Navigation for Geophysical Exploration. International Human Resources Development Corporation, 1994.
Warning: These citations may not always be 100% accurate.