Surface-geophysical techniques used to detect existing and infilled scour holes near bridge piers /
by Gary Placzek and F.P. Haeni ; prepared in cooperation with the Federal Highway Administration.

APA Citation

Placzek, G., Geological Survey (U.S.)., United States. Federal Highway Administration. (1995). Surface-geophysical techniques used to detect existing and infilled scour holes near bridge piers. Hartford, Conn.: U.S. Dept. of the Interior, U.S. Geological Survey .

MLA Citation

Placzek, Gary, Geological Survey (U.S.), and United States. Federal Highway Administration. Surface-geophysical Techniques Used to Detect Existing And Infilled Scour Holes Near Bridge Piers. Hartford, Conn.: U.S. Dept. of the Interior, U.S. Geological Survey , 1995.

Warning: These citations may not always be complete (especially for serials).