"November 4, 1989."--Cover.Series popularly known as guide leaflet.Includes bibliographical references
"September 20, 1997.""May 30, 1998."Includes bibliographical references (p. 55-56)
"Field Trip Guidebook 2002A"--Cover."April 27, 2002"--Cover."May 25, 2002"--Cover.Includes bibliogra...
"May 20, 1989."Series popularly known as guide leaflet.Includes bibliographical references
"November 4, 1989."--Cover.Series popularly known as guide leaflet.Includes bibliographical referenc...
"September 29, 1990."Series popularly known as guide leaflet or field trip guidebook.Includes biblio...
"October 26, 1991."Series popularly known as Guide leaflet and Field trip guidebook.Includes bibliog...
"Field trip guide leaflet 1991B, May 18, 1991."Includes bibliographical references
Cover title.Host: Monticello High SchoolRoad log and description of the geology of the Monticello-Ma...
"October 14, 1989."--Cover.l.Series popularly known as guide leaflet.Includes bibliographical refere...
"May 16, 1992."Series popularly known as Guide leaflet and Field trip guidebook.Includes bibliograph...
Series popularly known as Guide leaflet and Field trip guidebook."September 14, 1991."Includes bibli...
Series popularly known as Guide leaflet and Field trip guidebook."September 19, 1992."Includes bibli...
Caption title.Cover title: Park Ridge-North Shore area, Cook and Lake Counties.On cover: Geological ...
"April 20, 1991."Series popularly known as Guide leaflet or Field trip guidebook leaflet.Includes bi...
"Geological science field trip 1990B, May 12, 1990."Includes Illinois State Geological Survey "Geogr...
"September 20, 1997.""May 30, 1998."Includes bibliographical references (p. 55-56)
"Field Trip Guidebook 2002A"--Cover."April 27, 2002"--Cover."May 25, 2002"--Cover.Includes bibliogra...
"May 20, 1989."Series popularly known as guide leaflet.Includes bibliographical references
"November 4, 1989."--Cover.Series popularly known as guide leaflet.Includes bibliographical referenc...
"September 29, 1990."Series popularly known as guide leaflet or field trip guidebook.Includes biblio...
"October 26, 1991."Series popularly known as Guide leaflet and Field trip guidebook.Includes bibliog...
"Field trip guide leaflet 1991B, May 18, 1991."Includes bibliographical references
Cover title.Host: Monticello High SchoolRoad log and description of the geology of the Monticello-Ma...
"October 14, 1989."--Cover.l.Series popularly known as guide leaflet.Includes bibliographical refere...
"May 16, 1992."Series popularly known as Guide leaflet and Field trip guidebook.Includes bibliograph...
Series popularly known as Guide leaflet and Field trip guidebook."September 14, 1991."Includes bibli...
Series popularly known as Guide leaflet and Field trip guidebook."September 19, 1992."Includes bibli...
Caption title.Cover title: Park Ridge-North Shore area, Cook and Lake Counties.On cover: Geological ...
"April 20, 1991."Series popularly known as Guide leaflet or Field trip guidebook leaflet.Includes bi...
"Geological science field trip 1990B, May 12, 1990."Includes Illinois State Geological Survey "Geogr...
"September 20, 1997.""May 30, 1998."Includes bibliographical references (p. 55-56)
"Field Trip Guidebook 2002A"--Cover."April 27, 2002"--Cover."May 25, 2002"--Cover.Includes bibliogra...
"May 20, 1989."Series popularly known as guide leaflet.Includes bibliographical references