Maps (some col.) and other illustrative matter on 3 folded leaves in envelope.Bibliography: p. 33-35
Relief shown by contours and spot heights"Geology based on field work and data compilation by D. Gri...
Description based on: 1987-88; title from cover.Each vol. has also a distinctive title.Mode of acces...
Title varies.Report year varies.The Survey also publishes an annual report for the general public
Each vol. has also a distinctive title.Description based on: 1987-88; title from cover.This publicat...
"This booklet was prepared in observance of the 75th anniversary of the Illinois State Geological Su...
"July 1, 1976.""Prepared for the Northeastern Illinois Planning Commission."Includes bibliographical...
Cover title."Prepared for the Northeastern Illinois Planning Commission.""This study has been financ...
"Geological science field trip 1990B, May 12, 1990."Includes Illinois State Geological Survey "Geogr...
"From the Annual report of the chief to the director, Department of registration and education for f...
"May 17, 1976.""Prepared for the Northeastern Illinois Planning Commission."Includes bibliographical...
"Reprinted from the annual report of the Chief to the Director, Dept. of Registration and Education....
Series popularly known as Guide leaflet and Field trip guidebook."September 19, 1992."Includes bibli...
Cover title."Prepared for the Northeastern Illinois Planning Commission.""This study has been financ...
Since 1892, the Iowa Geological and Water Survey (IGWS) has provided earth, water, and mapping scien...
Maps (some col.) and other illustrative matter on 3 folded leaves in envelope.Bibliography: p. 33-35
Relief shown by contours and spot heights"Geology based on field work and data compilation by D. Gri...
Description based on: 1987-88; title from cover.Each vol. has also a distinctive title.Mode of acces...
Title varies.Report year varies.The Survey also publishes an annual report for the general public
Each vol. has also a distinctive title.Description based on: 1987-88; title from cover.This publicat...
"This booklet was prepared in observance of the 75th anniversary of the Illinois State Geological Su...
"July 1, 1976.""Prepared for the Northeastern Illinois Planning Commission."Includes bibliographical...
Cover title."Prepared for the Northeastern Illinois Planning Commission.""This study has been financ...
"Geological science field trip 1990B, May 12, 1990."Includes Illinois State Geological Survey "Geogr...
"From the Annual report of the chief to the director, Department of registration and education for f...
"May 17, 1976.""Prepared for the Northeastern Illinois Planning Commission."Includes bibliographical...
"Reprinted from the annual report of the Chief to the Director, Dept. of Registration and Education....
Series popularly known as Guide leaflet and Field trip guidebook."September 19, 1992."Includes bibli...
Cover title."Prepared for the Northeastern Illinois Planning Commission.""This study has been financ...
Since 1892, the Iowa Geological and Water Survey (IGWS) has provided earth, water, and mapping scien...
Maps (some col.) and other illustrative matter on 3 folded leaves in envelope.Bibliography: p. 33-35
Relief shown by contours and spot heights"Geology based on field work and data compilation by D. Gri...
Description based on: 1987-88; title from cover.Each vol. has also a distinctive title.Mode of acces...