First [second, and final] report.

Mode of access: Internet.

Transportation lines on the Mississippi River system and the Gulf intercoastal waterway.

"Compiled 1968- under the supervision of the Division Engineer, United States. Army Engineer Division Lower Mississippi Valley."

IFYGL rawinsonde system : description of archived data /

Mode of access: Internet.

Annual report /

Description based on: 1977.

Water quality investigations : Lake Michigan Basin: biology.

"January 1968."

County and regional facts : for the Michigan counties of Clinton, Eaton, Ingham.

"Prepared through the joint efforts of the Office of Economic Expansion of the Michigan Department of Commerce, the Cooperative Extension Service of Michigan State University, the State Planning Division of the Executive Office of the Governor, and the Upper Great Lakes Regional Commission's Internship Program."

Airport safety alert.

Mode of access: Internet.

Guide to R/V Lake Guardian.

Mode of access: Internet.

Light list.

"CG-159".

Annotated list of publications of Research and Technology Division, 1929 through 1955.

Mode of access: Internet.

EPA-905/9.

Description based on: 75-007.

EPA-905/4.

Description based on: 79-016.

St. Lawrence waterway.

Mode of access: Internet.

Agricultural nonpoint source control of phosphorus in the New York State Lake Ontario Basin.

"EPA-905/9-91-006B"--Vol. 2.

Alternative energy in the Midwest : research and applications : conference proceedings, March 19-20, 1987, Rosemont, Illinois /

"Printed: December 1987."