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You searched for: Subject Geographic Ohio River. Remove constraint Subject Geographic: Ohio River. All Subjects River engineering--Ohio River. Remove constraint All Subjects: River engineering--Ohio River.
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1. Treatise on the improvement of the Ohio River.

Creator Personal:
Morris, Ellwood.
Title:
Treatise on the improvement of the Ohio River.
Call Number:
P16254
Date:
1857
Description:
Pamphlet. "From the Journal of the Franklin Institute."
Subject Geographic:
Ohio River.
Subject Topical:
River engineering--Ohio River.
All:
Ohio River., River engineering--Ohio River.

2. On the improvement of the Ohio River.

Creator Personal:
Morris, Ellwood.
Title:
On the improvement of the Ohio River.
Call Number:
P910
Date:
undated
Description:
Pamphlet. "From the Journal of the Franklin Institute."
Subject Geographic:
Ohio River.
Subject Topical:
River engineering--Ohio River.
All:
Ohio River., River engineering--Ohio River.