In the field : the bulletin of the Field Museum of Natural History.

v.76 (2004-2005)

In the field : the bulletin of the Field Museum of Natural History.

v.69:no.5-6 (Sept.-Dec. 1998)

In the field : the bulletin of the Field Museum of Natural History.

v.73 (2002)

In the field : the bulletin of the Field Museum of Natural History.

v.74 (2002-2003)

In the field : the bulletin of the Field Museum of Natural History.

v.72 (2001)

In the field : the bulletin of the Field Museum of Natural History.

v.71 (2000)

Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History and including all species and subspecies known to occur in North America, Mexico, Central America, South America, the West Indies, and islands of the Caribbean Sea, the Galapagos Archipelago, and other islands which may properly be included on account of their faunal affinities.

v.13:pt.1:no.1(1942)

In the field : the bulletin of the Field Museum of Natural History.

v.70 (1999)

Illinois natural resources : an industrial developmental asset /

Cover title.

Technical report : Illinois natural areas inventory /

"Performed under contract to the Illinois Department of Conservation."

Assigning a degree of hazard ranking to Illinois industrial waste streams : final report, November 4, 1986 to the Hazardous Waste Research and Information Center /

"Illinois Department of Energy and Natural Resources."--Cover.

Historical industrial waste disposal practices in Winnebago County, Illinois : 1870-1980 /

"HWRIC RR 011" -- cover.

Illinois State Geological Survey : [annual report].

Description based on: 1987-88; title from cover.

Review of Illinois State Geological Survey activities.

Report year ends Apr. 30.

The appropriate use of climatic information in Illinois natural-gas utility weather-normalization techniques /

"ISWS/RI-112/90"--Cover.