Tests of a1:32 model of a proposed outlet structure for first fork (sinnemahoning) dam, for Gannett, Fleming, Corddry and Carpenter, Inc., June-September, 1952.
Tests of a1:32 model of a proposed outlet structure for first fork (sinnemahoning) dam, for Gannett, Fleming, Corddry and Carpenter, Inc., June-September, 1952.
Tests of a1:32 model of a proposed outlet structure for first fork (sinnemahoning) dam, for Gannett, Fleming, Corddry and Carpenter, Inc., June-September, 1952.