BIBLIOGRAPHY AND NOTES 667 



No. Date. 



42. 1875. LoEW, Oscar: Geological and mineralogical reixn-t on portions of 



Colorado and New Mexico. 



Geographical explorations and surveys west of the 100th 

 meridian, by Wheeler, annual report. Annual Report of the 

 Chief of Engineers for 1875, part II, Appendix LL, pp. 1017- 

 1036. Washington, 1875. 



(Appendix LL is published in separate form, pp. 1-196. 1875.) 



(Pp. 1023-1026) Cretaceous coal measures west of Nacimiento 

 Mountains are described; also (p. 1027) those of the Rio Puerco 

 field. 



(P. 1028) The anthracite at Placer Mountain was examined; 

 also the coal in Tijeras Canyon and other New Mexico localities. 



43. 1876. Meek, F. B. : Descriptions of the Cretaceous fossils collected on 



the San Juan exploring expedition under Macomb. 



Report of expedition from Santa Fe, New Mexico, to the 

 junction of the Grand and Green rivers of the Great Colorado 

 of the West, in 1859, under Macomb ; geological report by New- 

 berry, pp. 119-133, plates, 4°. Washington, 1870. 



The fossils described in this report were collected by New- 

 berry in 1859 from the Cretaceous rocks of western New Mexico 

 and Colorado. 



(Pp. 121-122) Meek agrees with Newberry in correlating the 

 "Lower Cretaceous" of the latter with the Dakota of the Upper 

 Missouri Cretaceous section, the "Middle Cretaceous" with the 

 Benton and Niobrara formations, and the "Upper Cretaceous" 

 except the highest beds, which were regarded as probably Ter- 

 tiary, with Pierre and Fox Hills. 



44. 1876. Newbekey, John S. : Geological report. Report of expedition from 



Santa Fe, New Mexico, to the junction of the Grand and Green 

 rivers of the Great Colorado of the West, in 1859, under the 

 command of Capt. J. N. Macomb, pp. 9-118, map. plates, 4°. 

 Washington, 1876. 



Abstract, Am. Jour. Sci., 3d series, vol. 13, pp. 220-221 (§ p.). 

 1876. 



The Cretaceous is subdivided into three groups ; the lowest or 

 "Lower Cretaceous" includes the Dakota of other writers ; the 

 "Middle Cretaceous" is made equivalent to Benton and Nio- 

 brara, and the "Upper Cretaceous" to the Pierre and Fox Hills 

 (including beds at the top that later proved to be Tertiary). 



(P. 38) "Triassic rocks containing . . . silicified trunks of 

 coniferous trees" are reported east of Cerrillos. (The silicified 

 trees east of Cerrillos described by later writers are in the 

 Galisteo sandstone.) 



(Pp. 38 and 51) Near the mouth of Galisteo Creek, and also 

 east of the town of Galisteo, fossil leaves said to be of Creta- 

 ceous age were found in yellow sandstone below the marine 

 Cretaceous shale. (The description seems to indicate that these 

 may be in rocks older than the Dakota of the present paper.) 



XLVII — Bull. Geol. Soc. Am., Vol. 23, 1911 



