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Ground-water levels and flow directions in the buried valley aquifer around Dayton, Ohio, September 1993 /
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Simulation of ground-water flow, Dayton area, southwestern Ohio /
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Government Document Online Book -
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To amend the Dayton Aviation Heritage Preservation Act of 1992 to add sites to the Dayton Aviation Heritage National Historical Park, and for other purposes : report (to accompany H.R. 4199) (including cost estimate of the Congressional Budget Office).
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Government Document Online Book -
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The essential naturalist : timeless readings in natural history /
Table of Contents: “…A foundation built by giants / Michael H. Graham -- Inspiration / Robert T. Paine -- Exploration / Gage H. …”
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The essential naturalist timeless readings in natural history /
Table of Contents: “…A foundation built by giants / Michael H. Graham -- Inspiration / Robert T. Paine -- Exploration / Gage H. …”
Get full text
Online Book -
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