526 



INDEX. 



Station No. 13 (Mosquito Springs, Chihuahua) 



No. 14 (Lower Corner Monument) 



No. 15 (Dog Spring, New Mexico ) 



No. 16 (Whitewater, Chihuahua ) 



No. 17 (eastern base of San Luis Mountains) 



No. 18 (San Francisco Canyon, Chihuahua) 



No. 19 (summit of San Luis Mountains) 



No. 20 (San Luis Springs, New Mexico) 



No. 21 (Cajon Bonito Creek) 



No. 22 (Animas Valley) 



No. 23 (Cloverdale, New Mexico) 



No. 24 (Hall's Ranch, Sonora) 



No. 25 (San Bernardino Ranch) ■ 



No. 26 (near mouth of Cajon Bonito Creek, Sonora) 



No. 27 (Niggerhead, Cerro GaUardo) 



No. 28 (Agua Prieta Ranch, Piech'as Negras, Sulphur Spring Valley) 



No. 29 (Dutch Charley's Ranch) 



No. 30 (Johnston's Ranch) 



No. 31 (Bisbee, Arizona) 



No. 32 (San Jose Mountain, Sonora) 



No. 33 (Johnston's Steam Pump) 



No. 34 (San Pedro River) 



No. 35 (Huachuca Mountains, Arizona) 



No. 36 (Cienega, Arizona) 



No. 37 (Santa Cruz Valley, Arizona) 



No. 38 (Patagonia Mountains) 



No. 39 (Santa Cruz, Sonora) 



No. 40 (Santa Cruz River) 



No. 41 (road-crossing of Santa Cruz River, Sonora) 



No. 42 (Nogales, Arizona) 



No. 43 (corner Monument No. 127) 



No. 44 (Tumacacori Mission, Arizona) 



No. 45 (Santa Cruz River) 



No. 46 (Tucson, Arizona) 



No. 47 (Old Fort Lowell, Arizona) 



No. 48 (Warsaw Mills, Arizona) 



No. 49 (Arivaca Creek, Arizona) 



No. 50 (La Osa, Arizona) 



No. 51 (La Ventana Ranch, Arizona) 



No. 52 (Pozo de Luis, Sonora) 



No. 53 (Nariz Temporal, Sonora) 



•No. 54 (Santa Rosa Valley) 



No. 55 (Sonoyta, Sonora) 



No. 56 (Santo Domingo, Sonora) 



No. 57 (Quitobaquita) 



No. 58 (Rancho de Agua Dulce, Sonora) 



No. 59 (La Represo) 



No. 60 (Camel Skeleton) 



No. 61 (Tule Wells, Arizona) 



No. 62 (Granite Mountains) 



No. 63 (Tinajas Altas, Arizona) 



No. 64 (Yuma Desert) - 



No. 65 (Adonde Siding) 



'age. 

 86 

 86 

 87 



92 



93 



94 



94 



94 



95 



96 



96 



97 



98 



98 



99 



99 



100 



101 



101 



104 



105 



105 



105 



106 



106 



106 



107 



107 



108 



108 



110 



111 



112 



112 



114 



114 



115 



115 



115 



117 



117 



119 



119 



120 



120 



122 



122 



123 



124 



