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Displaying 1-2 of 2 results for author "Walker, Roger G."
Erosion surfaces, gravel veneers, sandier-upward sequences, and event stratigraphy : a field guide to the Cardium Formation (Turonian) in the Seebe-Kananaskis area, Alberta : field trip guide to sequences, stratigraphy, sedimentology, surface and subsurface / Roger G. Walker.
- Text
- Calgary, Alta., Canada : Canadian Society of Petroleum Geology, 1988.
- 1988
- 1 Item
Item details Format Call Number Item Location Text QE651 .W35 1988g Off-site Upper Devonian marine-nonmarine transition, southern Pennsylvania / by Roger G. Walker.
- Text
- Harrisburg : [Commonwealth of Pennsylvania, Bureau of Topographic and Geologic Survey], 1972.
- 1972
- 1 Item
Item details Format Call Number Item Location Text 557.85 P388 G62-G64 Off-site
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