174 



SMITHSOXIAN MISCELLANEOUS COLLECTIONS VOL. 53 



Notch Peak lime- 

 stone 



Orr limestones and 

 shale 



Weeks limestone 



Marjum limestone 



Wheeler shales 



Swasey limestone 



Dome limestone 



Howell limestone 



I , I 



I . I 



250 76 



1490 I 45 J 



Spence shale^ 

 Langston (?) limestone 



Pioche shale 



Prospect Mountain 

 sandstones 



Thin-bedded limestone 



Massive bedded, arenaceous 

 limestone with a few thin 

 beds 



Thin bedded limestones with 

 two bands of arenaceous 

 shale 



Thin bedded and shaly lime- 

 stones 



Thin bedded limestones 



Calcareous shales ] 



Arenaceous limestone above, 

 with thin bedded limestone 

 below 



Massive bedded, arenaceous 

 limestone 



Thick and thin bedded limestone 



Argillaceous shale 



Bluish gray arenaceous limestone 



Arenaceous shale 



Brown quartzitic sandstone 



ViG. 6. — House Range Section. 



