Heiland, Carl August, 1899- Elements of geophysical prospecting : as demonstrated at A Century of Progress, Chicago, 1933 in the Geophysics Section of the American Petroleum Industries Exhibits.

Heiland, Carl August, 1899-

Elements of geophysical prospecting : as demonstrated at A Century of Progress, Chicago, 1933 in the Geophysics Section of the American Petroleum Industries Exhibits.

[New York? : American Petroleum Institute?, 1933]

Article written "by C.A. Heiland"--P. 5.

Prospecting -- Geophysical methods.

Century of Progress International Exposition (1933-1934 : Chicago, Ill.)

Exhibitions -- Illinois -- Chicago.

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