Aneroid readings
Page 5
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Transcription
1850 July 13 Base of Mountains, Pleasant Valley 5,200 feet First Trees 5,700 " Tree cover 6,400 " Summit 6,680 " July 20 Timber line on Bald Mt. 10 A.M. - Therm. 62° 9,460 feet Peak, 11½ " 61½ 10,300 " " 12 M. 63½ 10,310 " July 23 Divide between Grasshopper & Bright Hole Valley 10.45 A.M. Therm. 70° 7,200 feet Hot Spring, Bright Hole Valley Therm. 74° 6,340 " July 26 Divide at head of Trail Creek Therm. 66° 6,470 + feet " Non camp at base of Dracents Therm. 74° 5,100 "