[019-31] The Geological Columnar Section at Monmouth, Illinois, as Revealed by the New Deep Wells
The Geological Columnar Section at Monmouth, Illinois, as Revealed by the New Deep Wells Author: Workman, L.E.
[021-33] Geologic Interpretation of Anna City Well Pollution
Geologic Interpretation of Anna City Well Pollution Author: Workman, L.E.
[022-54] The Scientific Search for Underground Water*
The Scientific Search for Underground Water* Author: Workman, L.E.
[026-048] The Stratigoraphic Position of the Hong Sand*
The Stratigoraphic Position of the Hong Sand* Author: Workman, L.E.
[026-042] Subsurface Geology in the East St.Louis Region*
Subsurface Geology in the East St.Louis Region* Authors: Ekblaw, George E. and Workman, L.E.
[027-045] The Subsurface Stratgiraphy of the Devonian in Western Illinois
The Subsurface Stratgiraphy of the Devonian in Western Illinois Authors: Workman, L.E. and Huner, Jr., J.
[027-044] The Subsurface Stratigraphy of the Decatur Region
The Subsurface Stratigraphy of the Decatur Region Author: Workman, L.E.
[030-075] The Preglacial Rock River Valley as a Source of Groundwater for Rockford*
The Preglacial Rock River Valley as a Source of Groundwater for Rockford* Author: Workman, L.E.
[043-24]The Neda Formation in Northeastern Illinois
Workman, L.E. The Neda Formation in Northeastern Illinois 043-24-print