14 BITLLETIir 56, UNITED STATES NATIONAL MUSEUM. 



July 15 to 17, i555.— Having been reassigned to duty with the" 

 International Boundary Commission, I left Fort Clark, Texas, on 

 July 15 and arrived at Fort Huachuca, Arizona, on July 17, 1893. 



July 17 to 27, 1893.— This, time was spent at Fort Huachuca, Ari- 

 zona, organizing for service with the Monument-Building Party, then 

 engaged in erecting boundary monuments from the corner 8 miles 

 west of Nogales (Monument No. 127) to the eastward along the 

 fourth section of the Boundary on parallel 31° 20' north latitude, 

 ending at Monument No. 53. I joined the party at Monument No. 

 98 on July 27, 1893, after establishing Mr. Holzner in camp on the 

 Huachuca Mountains, where he remained, frequently changing his 

 location, until October 9, 1893, when I rejoined him at Fort Hua- 

 chuca. From June 1 to July 23, 1893, Mr. Holzner had been sta- 

 tioned at Nogales at Monument No. 118, on the Santa Cruz Kiver, 

 and in the neighboring Patagonia Mountains. 



July 28 to 30, 1893. — At the San Pedro Eiver. 



July 31, 1893. — Rode and climbed to the highest summit of the 

 Huachuca Mountains (altitude 2,887 meters or 9,472 feet), returning 

 to camp on the San Pedro River during the following night. 



August 1 to 3, 1893. — August 1 was spent in preparing the speci- 

 mens obtained on the Huachuca Mountains. On August 2 camp was 

 moved to Johnston's steam pump, near Monument No. 93, where I 

 remained until the 4th. 



August 4) 1893. — Rode to the San Jose Mountains, in Sonora, 

 Mexico. Accompanied by Lieut. George H. McMaster, climbed to 

 the summit of San Jose Peak, altitude 2,541 meters, or 8,337 feet, and 

 returned to Johnston's steam pump the same night. 



August 5 to 12, 1893. — Rode, on August 5, to a canyon on the north 

 side of the San Jose Mountains, and camped there with one soldier 

 until the 12th, making daily visits to the summit of the highest peak. 

 On August 12, rode to the camp of the Monument-Building Party at 

 Dutch Charley's ranch, near Monument No. 88. 



August 12 to H, 1893. — Remained in camp near Monument No. 88 

 until August 14, when I rode to Niggerhead Mountain, Monument No. 

 82, and made camp. 



August 15 to 17, 1893. — Remained at Monument No. 82 until 

 August 17, when camp was moved east to San Bernardino Springs, 

 Monument No. 77. 



August 18 to 23, 1893. — Camped at the San Bernardino Springs 

 until August 23, and explored the San Bernardino Valley for a con- 

 siderable distance to the southward. 



August H to 29, 1555.— Moved camp August 24 to Hall's Ranch in 

 Guadalupe Canyon, at Monument No. 73, and remained until the 

 29th. The hilly country between Guadalupe Canyon and the San 



