Transactions of the American Society of Civil Engineers, vol. LXXII, June, 1911Note 2 — WATER PURIFICATION PLANT, WASHINGTON, D. C. RESULTS OF OPERATION.1Reading editionOctober to June 30th.◇Copy noteReturn to WATER PURIFICATION PLANT, WASHINGTON, D. C. RESULTS OF OPERATION.1Return to WATER PURIFICATION PLANT, WASHINGTON, D. C. RESULTS OF OPERATION.1Return to WATER PURIFICATION PLANT, WASHINGTON, D. C. RESULTS OF OPERATION.1