386 GEOLOGICAL SUEVEY OF THE TEBRITORIES. 



tain amount of negative evidence appears, which may be of value in 

 future deductions. I append a list of the localities, remarking upon ele- 

 vation and so forth, at which collections were made. The absence of 

 any camp, as Nos. 12-16, from this list^ does not necessarily imply that 

 I was idle, but that nothing of importance reached home from that 

 locality. 



LIST OF LOCALITIES FROM WHICH SPECIMENS WERE BROUGHT HOME. 



Camp 9 : Hot Sidphur Springs, Middle ParJc, July 31 to August 5. Ele- 

 vation 7,725 feet. A broad, open valley, containing hot and cold 

 springs of various mineral-waters. 



Camp 9-10 : Grand River Valley, August 5. About 7,500 feet. Grassy 

 prairies and river-terraces of coarse gravel covered with sage-brush, 

 with but little timber, except along some portions of the river-banks. 



Camp 10 : Mouth of Blue River, August 6-8. About 7,500 feet. High 

 river-terraces. Cottonwoods and alders along the river and about 

 springs in the neighboring hills. 



Camp 10-11 : Blue River Valley, August 8. 7,500-8,500 feet. Same 

 general characteristics. 



Camp 11 : Ute PeaTc, Blue River Valley, August 8. About 8,500 feet. 

 Springy ground by a cold streamlet, with abundance of small timber 

 and luxuriant herbage. Many shells were coUescted on a wooded hill 

 2,000 feet higher than the camp. 



Camp 17 : Head of San Luis Valley, August 14. About 8,000 feet. 

 Luxuriant grass and herbage j large pines and spruces. Water in 

 plenty. 



Camp 17-18: San Luis Valley, August 15. 7,600-7,200 feet. Distance 

 thirty miles, mostly A/'^e?»wm plains, very dry and dusty. The weather, 

 which had been rainy, now began to be clearer, with hot noondays 

 and cool nights. 



Camp 18 : Springs, Saguache, August 16. 7,700 feet. Edge of dry plains. 

 The springs come copiously from under a volcanic bluff, and flow into 

 a marsh, which drains into Saguache Creek. 



Camp 19 : Saguache CreeJc, August 16. 7,748 feet. Five miles beyond 

 Camp 18, on the banks of the above stream, which is a tributary of 

 the Eio Grande and waters a fertile region. Thousands of cattle are 

 herded hereabouts. 



Camp 20 : Ticenty miles west of Saguache, August 17. About 9,000 feet. 

 Volcanic cauou. 



Camp 21 : Los Finos Indian agency, August 19-24. 9,290 feet. A fer- 

 tile plain watered by two creeks, and surrounded by hills, affording 

 plenty of rain. The camp was placed among a grove of various trees 

 by a little rocky stream. We remained a week at this point; but my 

 time was largely occupied in studying the traits of the Ute Indians, 

 whose southern agency is here. 



Cajvip 22 : White Earth Creek, August 24. About 8,000 feet. A deep 

 ravine, which had been recently burned over. 



Camp 23: Timber-line ; divide beticeen the Gunnison and Rio Grande, Au- 

 gust 25. About 10,000 feet. Timber mostly small ; no pines. Found 

 many mollusks in the deep wet grass early in the morning. 



Camp 24 : Clear Creek, August 26. About 9,300 feet. A tributary of the 

 Eio Grande, emptying in Antelope Park. The banks were here cov- 

 ered with a riotous growth of brush and weeds. 



Camp 25 : Jennisonh Ranch, August 27-28. About 9,600 feet. On the 

 Eio Grande, between Antelope and Baker's Parks. Fertile alluvial 



