114 



ENVIRONMENT OF VERTEBRATE LIFE, ETC. 



Hueco formation, in which the brachiopods are most in point, of a lack of a 

 corresponding difference between the Gschelian and Permian, of the marked 

 resemblance of the brachiopods of the Hueco and Gschelian, and of the lack of 

 agreement between the Permian and Guadalupian, there is a possibility, if not a 

 certain probability, that the Artinsk and Permian may be correlated with the 

 Hueco formation." 



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120° 115" 110° 105* 10 



0' 



1. Guadalupian area. 



2. Southern and central New Mexico. 



3. Bisbee, Arizona. 



4. Clifton-Morenci, Arizona. 



5. Globe, Arizona. 



6. Ojo Caliente, New Mexico. 



7. Zufli Uplift, New Me.xico. 



8. Manzano area. New Mexico. 



9. Grand Canyon, Arizona. 



10. San Juan area, Colorado. 



11. Ten Mile quadrangle, Colorado. 



12. Canyon Range, Utah. 

 13- Eureka, Nevada. 



14. Battle Mountain, Nevada. 



15. Sierra Nevada, California. 



16. Klamath, Redding, California. 



17. Uintah Mountains. 



18. Wa.<!atch Mountains. 



19. Park City district, Utah. 



20. Wind River Mountains, Wyoming. 



21. Owl Creek Mountains, Wyoming. 



22. Big Horn Mountains, Wyoming. 



23. Yellowstone National Park. 



24. Black Hills, South Dakota. 



25. Laramie Mountains, Wyoming. 



26. Phosphate area, Idaho. 



27. Wood River area, Idaho. 



28. Eastern Oregon. 



20. Three Forks, Montana. 



30. Little Belt Mountains, Montana. 



31. Fort Benton, Montana. 



32. Big Snowy Mountains, Montana. 



33. Phillipsburg, Montana. 



34. Republic area, Washington. 



35. Duncan map area, Vancouver Is- 



land. 



36. Skagit Range, British Columbia. 



37. Hozomeen Range, British Colum- 



bia. 



38. Okanagon Range, British Colum- 



bia. 



39. Midway Mountains and Anarchist 



Plateau, British Columbia. 



40. Rossland, Pend d'Oreille, Selkirks, 



and Columbia system west of 

 Christiana Lake, British Colum- 

 bia. 



41. Flathead Valley, British Columbia. 



42. Blairmore, Alberta. 



43. Banff, Alberta. 



44. Highland Valley and Thompson 



River, near Kamloops, British 

 Columbia. 



45. Bridge River and Chilkas Lake, 



British Columbia. 



46. Stewart and Tacla Lakes, British 



Columbia. 



47. Ketchikan and Wrangell district, 



Alaska. 



48. Lake Tagish, British Columbia. 



49. Peale and Stewart Rivers, Yukon. 



50. Headwaters of White River, Chisana 



and Nabesna Rivers, Yukon. 



51. Headwaters of Copper and Susitna 



Rivers, Gulkana River, Alaska. 



52. Upper Yukon and Porcupine Rivers, 



Alaska. 



53. Upper Yukon and Fairbanks quad- 



rangle, Alaska. 



Fig. 4. — Key map giving location of areas of late Pennsylvanian 

 deposits in the Basin Province discussed in this work. 



