by Robert Loring Christie
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Tertiary fossil forests of the geodetic ...
Cambrian-Silurian stratigraphy of Børglu...
The Geology of Melville Island, Arctic C...
Bache Peninsula, Ellesmere Island, Arcti...
Geological reconnaissance of northeaster...
Publications on the geology of the Arcti...
Geology of carbonatite-alkalic rock comp...
Petrology of the igneous rocks
Geology and paleontology of Canal Zone a...
Proceedings of the 30th International Ge...
Igneous rocks
Lakeland geology