440 GEOLOGICAL SURVEY OF THE TERRITORIES. 



Ft. In. 

 No. 12. a. Clays and saudstoues; the latter iu thin layers, 55 

 feet. 



h. Light-gray and yellowish clay, 20 feet 75 



'No. 13. a. Gray conglomerate and sandstone, 42 feet. 



h. Light-yellowish and grayish clays and pebbly sand- 

 stones, 40 feet. 



c. Conglomerate, 12 to 15 feet , 172 



No. 14. Valley ; no good exposures, but, probably, mainly shales 



and clays ..." 600 



No. 15. Alternations of shale and sandstone • 37 



No. 10. Coal 2 G 



No. 17. Alternations of dark-bluish lire-clay, shale, gray clay, 

 and, more or less, sofi sandstone. Numerous fresh brackish 

 water and marine types of fossils mingled together, such as 

 Anomia, I)ioccramus, Unio, Cardium, Cyrcna Carltonij Neri- 

 tina Bannifitvn, Neritina fJDostia f) beUatida, N. fDJJ car- 

 diti/ormis, Eulima chrysalis, E. inconspicua, Turritella spiro- 



nema, Melampus cmtiqmis, Phi/sa, Valvata, &c., &c 48 



No. 18. a. Coal, (Carltons bed,) 3 feet to 3 feet 4 inches. 



b. Coal and black shale, 1 feet 2 inches. 



c. Coal, 1 foot 5 G 



[There may be a space here of 50 to 60 or more feet, occupied 



by unknown beds.] 

 No. 10. Great, massive, light-grayish and yellowish sandstone, 



estimated at 220 feet. .- . T ' 220 



No. 20. Gray sandstone and sandy clays, with numerous Ostrea 



soletmcus 14 



No. 21. Sandstones and clays S5 



No. 22. Valley, showing at places sandstones and sandy clays, 



estimated thi(;kness 600 



No. 23. Light-colored sandstones and clays 90 U 



No. 24. Gray, soft sandstone, with many large Inoceramus, 



Ostrea, Cardium, &c 30 



No. 25. Gray santlstones and clays 18 



No. 26. Whitish sandstones and sandy clays, with fragunmts of 



Ostrea lying loose on surl'ace of slope , 150 



No. 27. 3oft, light-gra\^, coarse sandstone, with some pebbles 23 



No. 28. Valley, no rocks exposed, 300 to 380 380 



No. 29. Soft, decomposing, light-gray, coarse sandstone, and 



conglomerate ,. 200 



No. 30. Eeddish-brown conglomerate, with local streaks, and 

 thin beds of soft, whitish sandstone, 500 to GOO feet thick- 

 ness 600 



No. 31. Whitish, soft, coarse sandstone, with more or less peb- 

 bles GO 



No. 32. Great Echo Canon conglomerate, (brownish tinge,) com- 

 posed of pebbles, bowlders, and sandstone, 700 feet or more 700 



By footing up this long list of subordinate beds, it will be seen that, 

 if there are no faults or down-throws along the line of observation, there 

 would be, including the great conglomerate near the mouth of Echo 

 Canon, aii<l about 390 feet of beds below the main 11 to 13 foot coal, an 

 aggregate of some 4,680 feet of strata embraced in the section. As 

 iilready explained, however, it is not pretended that the details of this 



