FORMATIONS OF THE NACIMIENTO GROUP 715 



Mexican town of Nacimiento, known to the postal officials as Cuba. 

 This village contains about 200 inhabitants, and is located in a small 

 fertile valley at the foot of San Pedro Mountain, near the point where 

 Nacimiento Creek joins Rio Puerco. La Jara, Copper City, and 

 Senorito are settlements of less importance. About thirty-four miles 

 south of west from Cuba is Raton Spring, where there are two Mexican 

 stores and a few dwelling-houses. Raton Spring is known also as 

 Pueblo Pintado, a name formerly applied to the Aztec ruins, which 

 are still evident at this place. The spring itself is a deep pool of some- 



■■Xil^Sf.l^^iltas 



Fig. 2. — Puerco formation, ten miles west of south of Nacimiento, New Mexico 



what alkaline water, which flows as a mere seep. At Ensina Spring, 

 between Cuba and Raton, eleven miles north of east from Raton 

 there are some Indian stone huts, but the spring is known as a water- 

 ing-place for miles over the surrounding desert country. The water 

 issues from beneath a massive sandstone, and the flow in August, 

 1907, was about one gallon per minute. These are the only localities 

 worthy of individual mention here, but there are numerous Mexican 

 ranches along the west foot of the Sierra Nacimiento between Gallina 

 and Cuba. 



On the west the Sierra Nacimiento presents a bold front, and 

 along its slopes the sedimentary rocks are, steeply inclined and 



