 | Missouri. Division of Geological Survey and Water Resources - Geology - 1915 - 518 pages
...and a small part of a northern a — 14 land mass in the extreme northwestern corner of the State. The western sea continued to advance eastward, while...Nebraska City drilling shows less than 100 feet of Des Moines strata, probably of Pleasanton age. There is still much doubt as to whether the Pennsylvanian... | |
 | Missouri. Division of Geological Survey and Water Resources - Geology - 1915 - 516 pages
...counties and a small part of a northern land mass in the extreme northwestern corner of the State. The western sea continued to advance eastward, while...Nebraska City drilling shows less than 100 feet of Des Moines strata, probably of Pleasanton age. There is still much doubt as to whether the Pennsylvanian... | |
 | History - 1919 - 294 pages
...counties and a small part of a northern land-mass in the extreme northwestern corner of the State. The western sea continued to advance eastward, while...Nebraska City drilling shows less than 100 feet of Des Moines strata, probably of Pleasanton age. "There is still much doubt as to whether the Pennsylvanian... | |
 | Thomas Chrowder Chamberlin - Electronic journals - 1917 - 836 pages
...counties and a small part of a northern land mass in the extreme northwestern corner of the state. The western sea continued to advance eastward while...taken place at this time in the extreme northwestern comer of the state, for the Nebraska City drilling shows less than 100 feet of Des Moines strata, probably... | |
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Pike and neighboring counties and a small part of a northern land mass in the extreme northwestern corner of the State. The western sea continued to advance eastward, while an eastern sea occupying most of Illinois advanced westward. Probably by the end... 