Books by H. B. (Harold Bowen) 1901- Willman
Feldspar in Illinois Sands, a
Feldspar in Illinois Sands, a Study of Resources; Report of Investigations No. 79
Fine-Grained Molding Sand Resources of Northern Illinois; a Preliminary Investigation; Report of Investigations No. 57
Geology and Mineral Resources
Geology and Mineral Resources of the Marseilles, Ottawa, and Streator Quadrangles; Illinois State Geological Survey Bulletin No. 66
High-Purity Dolomite in Illino
High-Purity Dolomite in Illinois; Report of Investigations No. 90
Illinois Building Stones; Repo
Illinois Building Stones; Report of Investigations No. 184
Loess Formations of the Missis
Loess Formations of the Mississippi Valley; Report of Investigations No. 149
Origin of Illinois Sand and Gr
Origin of Illinois Sand and Gravel Deposits; Industrial Minerals Notes No. 8
Summary of the Uses of Limesto
Summary of the Uses of Limestone and Dolomite; Report of Investigations No. 49