Add to ORKGCover title.On cover: Geological science field trip."April 16, 1988."Includes bibliographical references (p. 33-35)
"September 29, 1990."Series popularly known as guide leaflet or field trip guidebook.Includes biblio...
"Field trip guide leaflet 1991B, May 18, 1991."Includes bibliographical references
Cover title."Host: Amboy High School."September 15, 1962."Includes bibliographical references (leaf ...
Cover title: A guide to the geology of the Wolf Lake area, Union and Jackson Counties."November 5, 1...
Title on cover: Dallas City area, Hancock and Henderson Counties geological science field trip."May ...
Title on cover: Charleston area geological science field trip."November 1, 1986."Bibliography: p. 40...
"Work in cooperation with the U.S. Geological Survey."Includes bibliographical references.Introducti...
"Host: Pope County High School.""April 21, 1962."Cover title.Includes bibliographical references (le...
Series popularly known as Guide leaflet and Field trip guidebook."September 14, 1991."Includes bibli...
"April 25, 1992."Series popularly known as Guide leaflet and Field trip guidebook.Includes bibliogra...
"April 20, 1991."Series popularly known as Guide leaflet or Field trip guidebook leaflet.Includes bi...
Cover title."Host: Neoga High School.""September 29, 1962."Includes bibliographical references (leaf...
Caption title.Cover title: Park Ridge-North Shore area, Cook and Lake Counties.On cover: Geological ...
Cover title."May 19, 1962.""Host: Starved Rock State Park.""Revised, December 1967. Reprinted, May 1...
Title on cover: Tunnel Hill area - Johnson and Pope Counties, geological science field trip."April 2...
"September 29, 1990."Series popularly known as guide leaflet or field trip guidebook.Includes biblio...
"Field trip guide leaflet 1991B, May 18, 1991."Includes bibliographical references
Cover title."Host: Amboy High School."September 15, 1962."Includes bibliographical references (leaf ...
Cover title: A guide to the geology of the Wolf Lake area, Union and Jackson Counties."November 5, 1...
Title on cover: Dallas City area, Hancock and Henderson Counties geological science field trip."May ...
Title on cover: Charleston area geological science field trip."November 1, 1986."Bibliography: p. 40...
"Work in cooperation with the U.S. Geological Survey."Includes bibliographical references.Introducti...
"Host: Pope County High School.""April 21, 1962."Cover title.Includes bibliographical references (le...
Series popularly known as Guide leaflet and Field trip guidebook."September 14, 1991."Includes bibli...
"April 25, 1992."Series popularly known as Guide leaflet and Field trip guidebook.Includes bibliogra...
"April 20, 1991."Series popularly known as Guide leaflet or Field trip guidebook leaflet.Includes bi...
Cover title."Host: Neoga High School.""September 29, 1962."Includes bibliographical references (leaf...
Caption title.Cover title: Park Ridge-North Shore area, Cook and Lake Counties.On cover: Geological ...
Cover title."May 19, 1962.""Host: Starved Rock State Park.""Revised, December 1967. Reprinted, May 1...
Title on cover: Tunnel Hill area - Johnson and Pope Counties, geological science field trip."April 2...
"September 29, 1990."Series popularly known as guide leaflet or field trip guidebook.Includes biblio...
"Field trip guide leaflet 1991B, May 18, 1991."Includes bibliographical references
Cover title."Host: Amboy High School."September 15, 1962."Includes bibliographical references (leaf ...