BIBLIOGRAPHY AND NOTES 679 



No. Date. 



(P. 81) The colored sediments lying unconformably on the 

 coal-bearing rocks south of San Isidro (in the Rio Puerco field) 

 are referred to the Puerco. 



85. 1904. Jones, Fayeti^e Aucxander: New Mexico mines and minerals. 



World's Fair edition, 1904. Santa Fe, New Mexico, the New 

 Mexican Printing Company, 1904. 349 pp., 50 figs. 



(P. 7) The New Mexico coal beds are referred to Fox Hills 

 and Laramie. The coal of the Cerrillos field is referred to the 

 Fox Hills. 



86. 1904. Keyes, Chaeles Rollin : Unconformity of the Cretaceous on older 



rocks in central New Mexico. Am. Jour. Sci., 4th ser., vol. 18, 

 pp. 360-362, 2 figs. 1904. 



Cretaceous sandstone (2,000 feet thick) lying above rocks of 

 Montana age (presumably the coal-bearing sandstones described 

 in this paper as Mesaverde) are referred to the Laramie. 



87. 1904. Keyes, Charles Rollin: The Hagan coal field (New Mexico). 



Eng. & Mg. Jour., vol. 78, pp. 670-671, 3 figs. 1904. 



The Hagan coal field is described with sketch maps and geo- 

 logic sections. A detailed section is given of the coal-bearing 

 rocks measured at the Hagan mine. 



88. 1904. Sheridan, Jo E. : Annual report of the mine inspector for the Ter- 



ritory of New Mexico. 



U. S. Mine Inspector for the Territory of New Mexico, Ann. 

 Rept. to the Secretary of the Interior for the year ended June 

 30, 1904. Washington, 1904, 79 pp. 



(Pp. 32-38) The coal beds of the Cerrillos, Una del Gato 

 (Hagan), and Monero fields are described. 



89. 1904. Lakes, Arthur: The coal fields of Colorado. 



Colo. Sch. Mines, Bull., vol. 2, no. 2, pp. 11-23, 2 figs. 1904. 



90. 1905. Ogilvie, Ida H. : The high altitude conoplain ; a topographic form 



illustrated- in the Ortiz Mountains (New Mexico). 



Am. Geol., vol. 36, pp. 27-34, 1 pi. 1905. 



The conoplain described lies across the eroded coal beds of 

 the Cerrillos and Hagan fields. 



91. 1905. Sheridan, Jo E. : Annual report of the mine inspector for the 



Territory of New Mexico. 



U. S. Mine Inspector for the Territory of New Mexico, Ann. 

 Rept. to the Secretaiy of the Interior for the year ended June 

 30, 1905. Washington, 1905. 



(Pp. 40-48) Describes the Cerrillos and Una del Gato (Hagan) 

 coal fields. 



92. 1905. Stanton, T. W. : Morrison formation and its relation with the 



Comanche series and the Dakota formation. 



Jour. Geol. vol. XIII, pp. 657-669. 1905. 



(P. 664) Some of the rocks in northeastern New Mexico and 

 southeastern Colorado heretofore called Dnkota are shown on 

 fossil evidence to be Comanche. 



