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1.
The Anticosti Island faunas / by W. H. Twenhofel. by Series: Museum bulletin (Victoria Memorial Museum (Canada)) ; no. 3. | Museum bulletin (Victoria Memorial Museum (Canada)). Geological series ; ; no. 19.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Ottawa : Government printing bureau, 1914
Availability: No items available.

2.
The geology and invertebrate paleontology of the Comanchean and "Dakota" formations of Kansas, by W.H. Twenhofel. by Series: Bulletin (Kansas Geological Survey) ; 9.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Topeka, Kansas state printing plant, 1924
Availability: No items available.

3.
Geology of Anticosti island, by W. H. Twenhofel. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Ottawa, F. A. Acland, printer, 1927
Availability: No items available.

4.
Origin of the black sands of the coast of southwest Oregon, by W. H. Twenhofel. by Series: Oregon. Dept. of Geology and Mineral Industries. Bulletin ; no. 24
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: [Portland] 1943
Availability: No items available.

5.
Soil, the most valuable mineral resource, its origin, destruction and preservation, by W. H. Twenhofel. by Series: Oregon. State Dept. of Geology and Mineral Industries. Bulletin ; no. 26
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: [Portland, 1944]
Availability: No items available.

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