Add to ORKG"This booklet was prepared in observance of the 75th anniversary of the Illinois State Geological Survey. The act creating the Geological Survey was approved by the Illinois General Assembly on May 12, 1905, and H. Foster Bain assumed direction of the Survey on November 1.
On July 1, 1995, the Illinois State Geological Survey became part of the Ill. Dept. of Natural Resou...
At head of title: State of Illinois. Department of registration and education. Division of the State...
At head of title: State of Illinois. Department of Registration and Education. A.M. Shelton, Directo...
"This booklet was prepared in observance of the 75th anniversary of the Illinois State Geological Su...
Each vol. has also a distinctive title.Description based on: 1987-88; title from cover.This publicat...
Each vol. has also a distinctive title.Description based on: 1987-88; title from cover.This publicat...
Each vol. has also a distinctive title.Description based on: 1987-88; title from cover.This publicat...
Description based on: 1987-88; title from cover.Each vol. has also a distinctive title.Mode of acces...
Each vol. has also a distinctive title.Description based on: 1987-88; title from cover.This publicat...
Each vol. has also a distinctive title.Description based on: 1987-88; title from cover.This publicat...
Title varies.Report year varies.The Survey also publishes an annual report for the general public
"Reprinted from Transactions of the Illinois State Academy of Science, v. 18, 1925.""Printed by auth...
Cover title."Reprinted from School science and mathematics, vol. 48, no. 2, pp. 139-142, February, 1...
The Illinois State Geological Survey (ISGS) homepage provides information on geologic mapping, earth...
At head of title: State of Illinois. Department of registration and education. State geological surv...
On July 1, 1995, the Illinois State Geological Survey became part of the Ill. Dept. of Natural Resou...
At head of title: State of Illinois. Department of registration and education. Division of the State...
At head of title: State of Illinois. Department of Registration and Education. A.M. Shelton, Directo...
"This booklet was prepared in observance of the 75th anniversary of the Illinois State Geological Su...
Each vol. has also a distinctive title.Description based on: 1987-88; title from cover.This publicat...
Each vol. has also a distinctive title.Description based on: 1987-88; title from cover.This publicat...
Each vol. has also a distinctive title.Description based on: 1987-88; title from cover.This publicat...
Description based on: 1987-88; title from cover.Each vol. has also a distinctive title.Mode of acces...
Each vol. has also a distinctive title.Description based on: 1987-88; title from cover.This publicat...
Each vol. has also a distinctive title.Description based on: 1987-88; title from cover.This publicat...
Title varies.Report year varies.The Survey also publishes an annual report for the general public
"Reprinted from Transactions of the Illinois State Academy of Science, v. 18, 1925.""Printed by auth...
Cover title."Reprinted from School science and mathematics, vol. 48, no. 2, pp. 139-142, February, 1...
The Illinois State Geological Survey (ISGS) homepage provides information on geologic mapping, earth...
At head of title: State of Illinois. Department of registration and education. State geological surv...
On July 1, 1995, the Illinois State Geological Survey became part of the Ill. Dept. of Natural Resou...
At head of title: State of Illinois. Department of registration and education. Division of the State...
At head of title: State of Illinois. Department of Registration and Education. A.M. Shelton, Directo...