588 W. T. LEE — STRATIGRAPHY OF COAL FIELDS OF NEW MEXICO 



Feet In, Feet In. 



"Laramie" 



o 

 fl 

 o 



-M 



OS 



•d 



fl 

 a 

 m 



•iH 



Q 



ri 

 a> 

 ;-! 



Lewis 



Sandstone, gray, massive, top of "Pic- 

 tured Cliffs sandstone," containing 

 both invertebrates and plants : Ostrea 

 sp. ; Inoceramus 'barab'mi Mort. ; 

 Cardium speciosum M. & H. ; Tellina 

 scitula M. & H. ; Anomia sp. ; Corhula 

 suhtrigonalis M. & H.? (U. S. G. S. 

 locality Nos. 6067, 6069, 6070), and 

 Geinitzla formosa Heer? AMetites 

 duhius Lesq. (U. S. G. S. locality 



Nos. 5446 and 5448) 75 



Shale, drab colored 15 



Sandstone, massive, brownish 6 



Shale, carbonaceous and coaly 3 



Shale, drab colored 10 



Sandstone, massive, gray 10 



Sandstone, massive, gray with some 

 alternating shale beds, bottom of 

 "Pictured Cliffs sandstone," contain- 

 ing at the base Ostrea sp. ; Inoceramus 

 sp. ; Corhula sp. ; Odontohasis ? sp. 



(U. S. G. S. locality No. 6066) 75 



Transition sandy shale with beds of 

 sandstone 6 inches to 1 foot thick .... 200 



Shale 1,600 



394 

 1,600 



Mesaverde 



Sandstone, massive, light gray 10 



Shale and sandstone 80 



Coal bed 



Sandstone and shale 170 



Sandstone, massive, gray 20 



Coal bed 



Shale and sandstone 



Coal bed 



Shale 



Coal bed 



Shale 



Coal bed 



Shale and sandstone 



Coal bed 



Shale 



Coal streak sometimes present here. 



Sandstone, massive, gray, containing 

 Ficus lanceolata ? Heer 



2 



28 

 1 



12 

 2 

 8 

 1 



12 

 4 



10 



60 



10 



422 10 



