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The Rivers and Valleys of Pennsylvania, Part 3a

In The National Geographic Magazine Vol. 01 No. 3

Read by MaryAnn

William Morris Davis (1850-1934) and National Geographic Society

National Geographic Magazine Volume 1 Number 3 published in 1889. Topics of articles are: The Rivers and Valleys of Pennsylvania Topogra…


In Crops and Methods for Soil Improvement

Read by KHand

Alva Agee

This book is not a technical treatise and is designed only to point out the plain, every-day facts in the natural scheme of making and keepi…

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