Ports on the Illinois Waterway :
miles 0 to 291, Grafton to Lockport /
prepared by Navigation Data Center ; U.S. Army, Corps of Engineers, Water Resources Support Center.

APA Citation

Water Resources Support Center (U.S.)., Navigation Data Center (U.S.). (1994). Ports on the Illinois Waterway: miles 0 to 291, Grafton to Lockport. Rev. 1994. [Fort Belvoir, Va.?]: The Corps .

MLA Citation

Water Resources Support Center (U.S.), and Navigation Data Center (U.S.). Ports On the Illinois Waterway: Miles 0 to 291, Grafton to Lockport. Rev. 1994. [Fort Belvoir, Va.?]: The Corps , 1994.

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