CHAPTER X. 
LIST OF MAPS AND MEMOIRS ON THE GEOLOGY OF NORTH AMERICA. 
LIST OF GENERAL GEOLOGICAL MAPS RELATING TO NORTH AMERICA. 
(The following list refers chiefly to Geological Maps of the whole of North America , or of a great portion of the 
continent — lw(5 Stales at least.) 
i809 — Maclure , William — A Map of the United Stales of America; colored geologically ; accompanying: Ob- 
servations on the Geology of the United States. (Trans, of the Amer. Phil. 
Soc. , vol. VI.) Philadelphia. 
1811 — Maclure j William — Carle des Etals Unis de I’ Amcrique-Nord., pour servir aux observations geologiques; 
accompanying: Observations sur la Geologic des Etals-Unis. (Journ. de Phys. , 
de Chim. , d’llist. Nat. et des Arts, par J. C. Delametherie , vol. LXXIl.) 
Paris. 
1817 — Maclure , William — Map of the United States of America; designed to illustrate the Geological Memoir of 
William Maclure Esq.; accompanying: Observations on the Geology of the 
United Slates, etc, (Trans, of the Amer. Phil. Soc., new series , vol. I.) Phi- 
ladelphia. Reproduced, in 1822, by P. Cleaveland, as frontispiece of: An Ele- 
mentary Treatise on Mineralogy and Geology; second edition, Boston; and 
also, in 1843, by Charles Moxon , as frontispiece of: The Geologist for the 
year 1843. London. 
1822 - James, e dwin — Map of the Country drained by the Mississippi; western section; by Major S. li. Long; 
accompanying Maps and Plates, of: An account of an Expedition from Pitts- 
burgh to the Rocky Mountains, performed in the years 1819 — 20. Phila- 
delphia. In that Map, Kd. James, the Geologist of the Expedition, has 
drawn quite accurately the limits of several geological formations of the Prai- 
ries east of the Rocky Mountains. 
1842 — LaWrGllCB^ Byrern — Geological Map of the Weslern Stales- Cincinnati? 
1843 - Hall, James — Geological Map of the Middle and Western Slates; accompanying: The Survey of the Fourth 
Geological District of New York, vol. IV. Albany. 
18 M - Owen , David Dale — ■ Geological Chart of part of Iowa, Wisconsin^ and Illinois; plate N° 2 and N° 3; 
and Chari of the Great Illinois Coal Field, plate N° 4; in: Report of a Geo- 
logical Exploration of part of Iowa , Wisconsin , and Illinois , made in the 
autumn of the year 1839. Washington. Despatched from New Harmony , Indi- 
ana, to the Department at Washington. 2 April, 1840; but revised before 
going to press, June 11, 1844. 
