Improving your waterfront : a practical guide /

Includes bibliographical references.

An Archaeological reconnaissance of the proposed FAP 406 corridor, Logan and Tazewell Counties, Illinois /

Report of a survey conducted under the auspices of the Illinois Archaeological Survey in cooperation with the U.S. Federal Highway Administration, the U.S. Heritage Conservation and Recreation Service, and the Illinois Dept. of Transportation.

The archaeeological intensive survey of the FAI-270 alignment in the American bottom region of Southern Illinois /

Includes index.

Preserving Illinois' natural heritage : biennial report, 1975-1976 /

Cover title.

The Illinois natural areas plan to preserve and protect our heritage.

Cover title.

Wildlife and America : contributions to an understanding of American wildlife and its conservation /

Cosponsored by U.S. Fish and Wildlife Service, Forest Service, and the National Oceanic and Atmospheric Administration.