Cover title.Host: Monticello High SchoolRoad log and description of the geology of the Monticello-Mahomet area of Champaign and Piatt counties which includes the Monticello and Mahomet quadrangles
Cover title."Host: Neoga High School.""September 29, 1962."Includes bibliographical references (leaf...
Cover title."October 14, 1961.""Host: Valmeyer High School."Includes bibliographical references (lea...
Caption title.Cover title: Park Ridge-North Shore area, Cook and Lake Counties.On cover: Geological ...
Cover title.Host: Pecatonica High SchoolRoad log and description of the geology of the Pecatonica ar...
Cover title."Host-- Metropolis Community High School.""April 19, 1975; October 25, 1975."Includes bi...
Cover title."September 11, 1971, and May 20, 1972."Host: La Salle-Peru High School
Cover title.Host: Galena High School.Road log and description of the geology of the Galena area of J...
Cover title."Host: Farmington High School.""May 4, 1963."Includes bibliographical references (leaf [...
"November 4, 1989."--Cover.Series popularly known as guide leaflet.Includes bibliographical referenc...
Cover title."Revised and reprinted, March 1967"--Leaf 13."Host: Savanna High School.""September 14, ...
Series popularly known as Guide leaflet and Field trip guidebook."September 19, 1992."Includes bibli...
Cover title.Host: Giant City State Park.Road log and description of the geology of the Makanda area ...
April 13, 1957.Host : Lawrenceville High School.Cover title.Mode of access: Internet
April 29, 1962.Host: Illinois State Academy of Science.Cover title.Mode of access: Internet
Cover title."Host: Belvidere High School.""May 18, 1963.Includes bibliographical references (leaf [3...
Cover title."Host: Neoga High School.""September 29, 1962."Includes bibliographical references (leaf...
Cover title."October 14, 1961.""Host: Valmeyer High School."Includes bibliographical references (lea...
Caption title.Cover title: Park Ridge-North Shore area, Cook and Lake Counties.On cover: Geological ...
Cover title.Host: Pecatonica High SchoolRoad log and description of the geology of the Pecatonica ar...
Cover title."Host-- Metropolis Community High School.""April 19, 1975; October 25, 1975."Includes bi...
Cover title."September 11, 1971, and May 20, 1972."Host: La Salle-Peru High School
Cover title.Host: Galena High School.Road log and description of the geology of the Galena area of J...
Cover title."Host: Farmington High School.""May 4, 1963."Includes bibliographical references (leaf [...
"November 4, 1989."--Cover.Series popularly known as guide leaflet.Includes bibliographical referenc...
Cover title."Revised and reprinted, March 1967"--Leaf 13."Host: Savanna High School.""September 14, ...
Series popularly known as Guide leaflet and Field trip guidebook."September 19, 1992."Includes bibli...
Cover title.Host: Giant City State Park.Road log and description of the geology of the Makanda area ...
April 13, 1957.Host : Lawrenceville High School.Cover title.Mode of access: Internet
April 29, 1962.Host: Illinois State Academy of Science.Cover title.Mode of access: Internet
Cover title."Host: Belvidere High School.""May 18, 1963.Includes bibliographical references (leaf [3...
Cover title."Host: Neoga High School.""September 29, 1962."Includes bibliographical references (leaf...
Cover title."October 14, 1961.""Host: Valmeyer High School."Includes bibliographical references (lea...
Caption title.Cover title: Park Ridge-North Shore area, Cook and Lake Counties.On cover: Geological ...