Publicado por The Journal of Geology., 1945
Librería: Eryops Books, Stephenville, TX, Estados Unidos de America
No Binding. Condición: Good. ORIGINAL1945 Reprint/Offprint of journal article; no covers issued; small tear at top of leaves; light creasing of corners of leaves; o/w in good condition. Journal.
Publicado por State of Illinois, 1952
Librería: Browse Awhile Books, Tipp City, OH, Estados Unidos de America
Soft cover. Condición: Very Good. Bulletin No. 76 of the State Geological Survey. Maps in back pocket. Cover faded along edges.
Publicado por Illinois State Geological Survey, Urbana, 1952
Librería: Cambridge Books, Cambridge, MN, Estados Unidos de America
Original o primera edición
Soft cover. Condición: Very Good. 1st Edition. 147 pages : illustrations, maps (folded in pocket) ; 25 cm. A single letter to the top of the front cover and some very modest wear; nearly fine. The maps in perfect condition.