TABLE I U. S. Public Health Service Monitoring Stations During Operation HARDTACK Albany, N. Y. Anchorage, Atlanta, Alaska Ga. Honolulu, T. H. Oklahoma City, Indianapolis, Pascagoula, Iowa City, Ind. Jacksorvilie, Baltimore, Jefferson City, Md. Fla. Berkeley, Calif. Juneau, Boise, Klamath Falls, Idaho Miss. Phoenix, Ariz. Iowa Austin, Tex. Okla. Mo. Alaska Oreg. Pierre, S. Dak. Ponca City, Okla, Portland, Oreg. Richmond, Va. Cheyenne, Wyo. Lansing, Mich. Salt Lake City, Utah Cincinnati, Las Vegas, Santa Fe, Denver, Ohio Colo. El Paso, Tex. Gastonia, N. Harrisburg, Hartford, C. Pa. Conn. Nev, N. Mex, Lawrence, Mass. Seattle, Wash. Little Rock, Ark. Springfield, Los Angeles, Calif, Topeka, Ili. Kans. Minneapolis, Minn. Trenton, N. J. New Orleans, La. Washington, D. C.