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SA Supplements Vol 49 Issue 1261supp

SA Supplements

March 1900

Volume 49, Issue 1261supp

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Features

Historical

Geology of the Great Lakes and Niagara

A Bird's-Eye view of Niagra

The Bridges of Niagra Gorge

Present Status of the Industrial Development of the Falls

The Niagara Falls Power Plant—Above the Falls

Niagara Falls Hydraulic Power and Manufacturing Plant

Selected Formulæ

Trade Suggestions from United States Consuls

Trade Notes and Receipts

Patents!