Harry B. Hommon

PROGRESS REPORT ON RECENT DEVELOPMENTS IN THE FIELD OF INDUSTRIAL WASTES IN RELATION TO WATER SUPPLY

C. A. Emerson, A. Clinton Decker, Almon L. Fales, .

Protection of Water Supplies by Sewage Purification

Harry B. Hommon, 1920 .

PROGRESS REPORT ON AGENCIES FOR THE CONTROL OF POLLUTION BY INDUSTRIAL WASTES

Wellington Donaldson, Almon L. Fales, Louis A. Geupel, .

PROGRESS REPORT OF COMMITTEE ON INDUSTRIAL WASTES IN RELATION TO WATER SUPPLY

C. A. Emerson, Wellington Donaldson, Almon L. Fales, .