440 GEOLOGICAL SUEVEY OF THE TERRITORIES. 



Ft. In. 



No. 12. a. Clays and sandstones ; the latter in thin layers, 55 

 feet. 

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



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



&. 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. 16. Coal 2 6 



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

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

 water and marine types of fossils mingled together, such as 

 Anomia, Inoceranms, Unio, Cardium, Gyrena Carltoni, Neri- 

 tina Bannisteri, Neritina fDostia f) heUatiila, W. fD.fJ car- 

 ditifonnis, Eulima chrysalis, E. inconspicua, Turritella spiro- 

 7iema, Melampus antiqmis, Fhysa, Valvata^ &c., &c 48 



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

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

 c. Coal, 1 foot - .- ' 5 6 



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

 by unknown beds.] 



No. 19. Great, massive, light-grayish and yellowish sandstone, 



estimated at 220 feet " 220 



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



soleniscHS 14 



No. 21. Sandstones and clays . . _ 85 



No. 22. Valley, showing at places sandstones and sandj^ clays, 



estimated thickness 600 



No. 23. Light-colored sandstones and clays 90 



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



Ostrea, Cardmm, &c 30 



No. 25. Gray sandstones and clays . 18 



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



Ostrea lying loose on surlace of slope 150 



No. 27. Soft, light-gray, coarse sandstone, with some pebbles 23 



:^^o. 28. Valley, no rocks exposed, 300 to 380 380 



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



conglomerate - 200 



No. 30. Keddish-browu conglomerate, with local streaks, and 

 thin beds of soft, whitish sandstone, 500 to 600 feet thick- 

 ness 600 



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

 bles 60 



No. 32. Great Echo Caiion 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, and 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 

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



