ILLUSTRATIONS. 
MAPS. 
Geological map of the route. 
Geological section from the Mississippi to the Pacific, with remarks by W. P. Blake 
Page. 
_ 25 
At the end. 
At the end. 
PLATES. 
• 
Section of Pyramid mountain_____ 
Carboniferous fossils—drawn by F. B. Meek....... 
Cretaceous fossils—drawn by F. B. Meek.. 
WOOD CUTS.* 
Petit Jean mountains—drawn by H. B. Mollhausen....... 
Strata of carboniferous sandstone near Fort Coffee—drawn by H. B. Mollhausen__ 
Sans Bois mountains—drawn by H. B. Mollhausen_ . 
Columns of sandstone—drawn by H. B. Mollhausen_ 
Antelope hills—reduced from a sketch by H. B. Mollhausen____ 
Table hill near Shady creek—drawn by H. B. Mollhausen__ 
Bluffs of the Llano Estacado—drawn by H. B Mollhausen... 
Remnant of stratum of sandstone near Laguna Colorado—drawn by H. B. Mollhausen_ 
Albuquerque and the Sandia mountains—drawn by A. H. Campbell____ 
Natural arch and column, Zuiii—drawn by A. W. Whipple_ 
Silicified trunk of a tree—drawn by H B. Mollhausen_ 
Silicified stump and block—drawn by IL B. Mollhausen____ 
Bluffs on the Hawilhamook—drawn by H. B. Mollhausen...... 
Banks of the Hawilhamook—drawn by IL B. Mollhausen_____ 
Valley of the Mojave—drawn by J. C. Tidball, U. S. A______ 
Bluff of carboniferous sandstone and shale—drawn by H. B. Mollhausen__ 
Overhanging ledge of carboniferous sandstone—drawn by H. B. Mollhausen....... 
Dardanelle rock—drawn by H. B. Mollhausen_______ 
SMALL GEOLOGICAL SECTIONS IN THE APPENDIX. 
Hill of Dolomite and red marl_W. P. B., from Jules Marcou__ 
Section of the bluff at camp 42. do.do.. 
Section of the bluff of the Llano, camp 46. do_do...... 
Section of the carboniferous, Canon San Antonio_do..do___ 
Section east from Albuquerque_ do_..do_ 
Inclined stiata near Sheep spring_do_do.... 
Section from camp 67 to camp 68.do.do. 
Section near the Oolorado Chiquito.. do_do.... 
Section of the bluff, Aztec mountains..do.do. 
* All the wood engravings for this report are from the establishment of N. Orr & Co., N. York. 
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