Cover Johnson G.A. REPORT ON SEWAGE PURIFICATION
Id: 152598

REPORT ON SEWAGE PURIFICATION

464 pp. (English).

Summary

464с

REPORT

ON

SEWAGE PURIFICATION

COLUMBUS, OHIO.

Made to the

Chief Engineer of the Board of Public Service

BY

GEORGE A. JOHNSON

Engineer in Charge

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« Sewage Testing Station.

November 10, 1905.