 wide upper valley of the Clearwater River, a most perfectly exposed series of limestones, shales, and sandstones of Upper Cambrian and later formations was found, which cleared up the relations of the upper portion of the Glacier Lake section to the Ordovician...  The American Journal of Science - Seite 1541922Vollansicht - Über dieses Buch
 | 1922 - 724 Seiten
...the Middle and Lower Cambrian formations. Returning up the canyon valley of the Siffleur River to the wide upper valley of the Clearwater River, a most...sandstones of Upper Cambrian and later formations was found (fig. 6) which cleared up the relations of the upper portion of the Glacier Lake section to the Ordovician... | |
 | Smithsonian Institution - 1921 - 808 Seiten
...Middle and Lower Cambrian formations. Returning up the canyon valley of the Siffleur River to thowide upper valley of the Clearwater River, a most perfectly...the relations of the upper portion of the Glacier Lftke section to the Ordovician above. The work was considerably handicapped by forest fires in July... | |
 | United States National Museum - 1921 - 242 Seiten
...section with the Middle and Lower Cambrian formations. Proceeding to the upper valley of the Clear Water River, a most perfectly exposed series of limestones,...portion of the Glacier Lake section to the Ordovician formations above. During July, 1920, and again in January, 1921, Curator Bassler was engaged in the... | |
 | Smithsonian Institution - 1922 - 780 Seiten
...the Middle and Lower Cambrian formations. Returning up the canyon valley of the Siffleur River to the wide upper valley of the Clearwater River, a most...shales, and sandstones of Upper Cambrian and later forma tions was found (fig. 6) which cleared up the relations of the upper portion of the Glacier Lake... | |
 | Smithsonian Institution. Board of Regents - 1922 - 800 Seiten
...the Middle and Lower Cambrian formations. Returning up the canyon valley of the Siffleur River to the wide upper valley of the Clearwater River, a most...Glacier Lake section to the Ordovician above. The work was considerably handicapped by forest fires in July and August and by unusually stormy weather... | |
 | Smithsonian Institution. Board of Regents - 1922 - 794 Seiten
...the Middle and Lower Cambrian formations. Returning up the canyon valley of the Siffleur River to the wide upper valley of the Clearwater River, a most...Glacier Lake section to the Ordovician above. The work was considerably handicapped by forest fires in July and August and by unusually stormy weather... | |
 | Ellis Leon Yochelson - 2001 - 636 Seiten
...the Middle and Lower Cambrian formations. Returning up the canyon valley of the Siffleur River to the wide upper valley of the Clearwater River, a most...sandstones of Upper Cambrian and later formations were found which cleared up the relations of the upper part of the Glacier Lake section to the Ordovician... | |
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