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

$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

$16.43

Illinois Mineral Industry in 1953

Walter Henry Voskuil

Out of Stock

Illinois Mineral Industry in 1943; Report of Investigations No. 101

Walter Henry Voskuil

$18.24

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