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You searched for: All Creators Tilton, John Littlefield, b. 1863. Remove constraint All Creators: Tilton, John Littlefield, b. 1863. Subject Topical Geology--West Virginia--Tygart Valley. Remove constraint Subject Topical: Geology--West Virginia--Tygart Valley.
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1. Marine faunas of the Devonian tree horizons of Tygart Valley, West Virginia.

Creator Personal:
Tilton, John Littlefield, b. 1863.
Title:
Marine faunas of the Devonian tree horizons of Tygart Valley, West Virginia.
Call Number:
P1186
Date:
1929
Description:
Journal article reprint from: American Journal of Science, v.17 (1929:Apr.).
Subject Topical:
Geology, Stratigraphic--Devonian., Geology--West Virginia--Tygart Valley.
All:
Geology, Stratigraphic--Devonian., Geology--West Virginia--Tygart Valley.