[053-03]A Structural Analysis of the Northwestern Illinois Zinc-Lead District
Bradbury, J.C. A Structural Analysis of the Northwestern Illinois Zinc-Lead District 053-03-print
[073-01] Bertrandite at Hicks Dome, Harkin County, Illinois.
Baxter, James W. and J.C. Bradbury Bertrandite at Hicks Dome, Harkin County, Illinois. 073-01-print