Transactions of the American Society of Civil Engineers, vol. LXXII, June, 1911Note 1 — WATER PURIFICATION PLANT, WASHINGTON, D. C. RESULTS OF OPERATION.1Reading editionSummary of daily samples of water.◇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