Waterway from the Great lakes to the Hudson river. Letter from the secretary of war transmitting a report from chief of engineers on preliminary examination and survey of deeper waterway from the Great lakes to the Hudson river suitable for vessels of a draft of 20 or 25 feet ...

Mode of access: Internet.

A publication survey trip to Central and East Africa;

Mode of access: Internet.

Annual report of the United States Geological Survey to the Secretary of the Interior.

Includes papers which are also issued separately.

Survey and report on potential conservation areas along the Illinois River from Hennepin to Grafton.

Mode of access: Internet.

Size of sample study, with particular reference to the Pig survey of the Bureau of Agricultural Economics.

Mode of access: Internet.

Survey of oceanographic and meteorological parameters of importance to the site selection of an Ocean Food and Energy Farm (OFEF) in the eastern Pacific : final report, July 1975-September 1976 prepared for U.S. Energy Research & Development Administration /

Final report: ERDA, Subtask 5 - OFEF Project.

Department of Fish and Game, Sacramento, California; report on survey. Report to the Joint Legislative Budget Committee.

Mode of access: Internet.

A botanical survey of U.S. route 45 [FAP 332, section 31-1, 42-1], from Harrisburg to Eldorado [from IL route 13 to IL route 142], Saline County, Illinois, with emphasis on threatened and endangered plant species and natural areas /

Cover title.

A survey of projection activities of selected planning agencies in the State of Illinois : a report to the Illinois Environmental Protection Agency, Division of Air Pollution Control /

"June 1975."

A water quality survey of the Grand Calumet River from the Indiana State line to Burnham, Illinois : the Grand Calumet River portion of segment A-12 Des Plaines/Lake Michigan Basins, April-August, 1978.

Edited by Robert Schacht.

An intensive survey of the Big Muddy main stem from Rend Lake to the Mississippi River Summer 1988 /

"IEPA/WPC/91-56."--Cover.

An Intensive survey of the DesPlaines River Basin from the Wisconsin state line to Joliet, Illinois, 1983-1984 : staff report /

"February 1988"--Cover.

An intensive survey of the Fox River Basin from the Wisconsin State line to Ottawa, Illinois, 1982 /

Survey made cooperatively by the Illinois Environmental Protection Agency and the Illinois Dept. of Conservation.

An intensive water quality survey of the Rock River from Rockford to Byron, Illinois, May-October, 1978 /

Bibliography: p. 35.

Biological and water quality survey of three tributaries to the Sangamon River : South Fork basin, Mosquito Creek and Long Point Slough, September thru November, 1989 : Staff Report /

"May 1991."