Illinois list of endangered and threatened vertebrate species issued in accordance with provisions of section 337 of the Illinois endangered species protection act.

At head of title: Administrative order.

Land treatment using plant-soil ecosystems to purify wastewater and recycle resources.

Cover title.

Northeastern Illinois wetland survey for endangered and threatened birds : a summary of field data, 1980-1989 /

"May 1991."

Rare and endangered fish of Illinois /

Mode of access: Internet.

A treatise on the police of the metropolis; containing a detail of the various crimes and misdemeanors by which public and private property and security are, at present, injured and endangered: and suggesting remedies for their prevention.

Goldsmiths'-Kress no. 17105.

Rare & endangered birds of the southern national forests : distribution populations habitat requirements and their influence on the national forests /

Map on p. [3] of cover.

Threatened, endangered, and sensitive species of the Intermountain region /

Shipping list no.: 91-461-P.

Mark Trail tells how prescribed fire can be helpful to southern ecosystems : a book to color.

"Reprinted"--P. [4] of cover.

Survey summary for threatened, endangered sensitive and locally rare species of Lepidoptera : Utah gypsy moth eradiction program : 1989-1993 /

"October 1996"--Cover.

Suction dredging in the national forests : dredging responsibly to protect river ecosystems.

"September 1997"--P. [3] of cover.

Endangered species : spotted owl petition evaluation beset by problems : report to the Chairman, Subcommittee on Fisheries and Wildlife Conservation and the Environment, Committee on Merchant Marine and Fisheries, House of Representatives /

"B-226076.2"--P. 1.

Caring for our natural community : region 1 - threatened, endangered & sensitive species program /

Shipping list no.: 89-191-P.

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.

Proceedings : Symposium on Sustainable Management of Hemlock Ecosystems in Eastern North America, June 22-24, 1999, Durham, New Hampshire /

Includes bibliographical references.

Dynamic behavior of vinyl chloride in aquatic ecosystems /

Prepared for Environmental Research Laboratory, Office of Research and Development, U. S. Environmental Protection Agency, Athens Georgia.