00817cam a22002411a 4500 gs 06001215 DLC 20260227111305.0 840621s1822 nyu 000 0 eng c gs 06001215 (OCoLC)10867245 U.S. Geological Survey SdU DLC premarc n-us-il QE991 .S35 Schoolcraft, Henry Rowe, 1793-1864. A memoir on the geological position of a fossil tree, discovered in the secondary rocks of the river Des Plaines. Read before the American geological society. By Henry R. Schoolcraft. Albany, Printed by E. and E. Hosford, 1822. 18 p. 22 cm. Geology Illinois. Paleobotany Illinois. Trees, Fossil. 24524 24524