Walter Henry Voskuil

Illinois Mineral Industry in 1941: Report of Investigations, No. 87

Walter Henry Voskuil

$23.95

A Regional Study in the Depletion of Soil Phosphorous

Walter Henry Voskuil

$20.06

Minerals in World Industry

Walter Henry Voskuil

$35.95

Illinois Mineral Industry in 1942: Illinois State Geological Survey, No. 94

Walter Henry Voskuil

$18.24 - $22.95

Illinois Mineral Industry in 1938: a Preliminary Statistical Summary and Economic Review; Report of Investigations No. 56

Walter Henry Voskuil

$16.43

Illinois Mineral Industry in 1947; Report of Investigations No. 140

Walter Henry Voskuil

$18.24

Illinois Mineral Industry in 1948; Report of Investigations No. 147

Walter Henry Voskuil

$18.24

Illinois Mineral Industry in 1934: a Preliminary Statistical Summary and Economic Review; 557 Ilre no.39

Walter Henry Voskuil

$18.24

Some Economic Aspects of the Illinois Oil Industry

Walter Henry Voskuil

$16.43

Illinois Mineral Industry in 1951 and 1952

Walter Henry Voskuil

Out of Stock

An Economic Study of Fuels in Manufacturing

Walter Henry Voskuil

Out of Stock

Illinois Mineral Industry in 1953

Walter Henry Voskuil

Out of Stock

Illinois Mineral Industry in 1933: a Preliminary Statistical Summary and Economic Review; 557 Ilre no.36

Walter Henry Voskuil

$18.24

Illinois Mineral Industry in 1950; Report of Investigations No. 158

Walter Henry Voskuil

$18.24

Illinois Mineral Industry in 1936: a Preliminary Statistical Summary and Economic Review; Report of Investigations No. 46

Walter Henry Voskuil

$18.24