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Pleistocene Geology of the Peterborough and Rice L...
作者
Conrad Percival Gravenor
出版1952
ISBN
IND:30000097158863
Air Photographs of Alberta, by C.P. Gravenor, R. G...
作者
Conrad Percival Gravenor / R. Green / John D. Godfrey
出版1960
ISBN
OCLC:678919522
主題
Aerial photography
A Lithologic Study of Tills in South-western Ontar...
作者
Conrad Percival Gravenor
出版1950
ISBN
WISC:89089856140
Stream-trench Systems in East-central Alberta
作者
Conrad Percival Gravenor / L. A. Bayrock / Research Council of Alberta
出版1956
ISBN
UIUC:30112098976001
主題
Drainage
A Radiocarbon Date from Smoky Lake, Alberta
作者
Conrad Percival Gravenor / R. B. Ellwood
出版1956
ISBN
UIUC:30112098976019
主題
Glacial epoch
Heavy Minerals of the Athabasca Sandstone
作者
Conrad Percival Gravenor / Research Council of Alberta
出版1959
ISBN
OCLC:226657469
主題
Mines and mineral resources
Air Photographs of the Plains Region of Alberta
作者
Conrad Percival Gravenor
出版1956
ISBN
UIUC:30112026979481
主題
Aerial photography
Iron Deposits of Western Canada
作者
Conrad Percival Gravenor / Research Council of Alberta
出版1959
ISBN
OCLC:463408798
主題
Iron ores
Air Photographs of Alberta
作者
Conrad Percival Gravenor
出版1973
ISBN
OCLC:918425393
Pleistocene Geology of the Peterborough and Rice L...
作者
Conrad Percival Gravenor
出版1952
ISBN
IND:30000140683040
主題
Geology
Rice Lake
作者
Conrad Percival Gravenor
出版1954
ISBN
OCLC:884040651
主題
Geology
Surficial Geology of the Lindsay-Peterborough Area
作者
Charles Haddon Smith / Conrad Percival Gravenor / Hans Frebold / Murray John Copeland / Thomas Elwood Bolton
出版1957
ISBN
UIUC:30112026969243
主題
Arthropoda, Fossil
Glacial Geology of Coronation District, Alberta
作者
Conrad Percival Gravenor / L. A. Bayrock
出版1955
ISBN
IND:30000141081244
主題
Coronation (Alta.)
Lindsay, Victoria, Ontario, Peterborough, and Durh...
作者
Conrad Percival Gravenor
出版1955
ISBN
OCLC:301582754
主題
Geology
Preliminary Map - Scugog, Durham, Ontario, and Vic...
作者
Conrad Percival Gravenor / Geological Survey of Canada
出版1953
ISBN
OCLC:56254295
主題
Geology
Scugog, Durham, Ontario and Victoria Counties, Ont...
作者
Conrad Percival Gravenor
出版1954
ISBN
OCLC:229011775
主題
Geology