170 BLACK ROCK. 



minence of the northern extremity of the mountain ridge form- 

 ing the island, and encamped upon the white-sand beach of a 

 lovely little bay indenting its eastern shore. 



The whole of this part of the ridge consists of large masses of 

 quartzose and sandstone rock, variously tinged with oxide of iron, 

 and conglomerates. Heavy squall, with rain and snow, during 

 the night. Having provided ourselves with only a single keg of 

 water, in expectation of finding some during the day, we discovered 

 before night that it was nearly exhausted ; so all hands were put 

 upon short allowance, and a very small cup of coffee was served 

 out for supper. There was no discontent, however, though all 

 went to their blankets almost famished for water, and fervently 

 hoping we might find a supply early in the morning. 



Saturday^ April 20. — A fresh gale was blowing from the north- 

 west, which continued to increase during the day. The wind was 

 excessively cold, and the men were obliged to wrap themselves in 

 buffalo-skins to keep warm. Setting the foresail, we ran to Black 

 Rock, a distance of more than twenty miles, in a little more than 

 three hours. A station was framed from timbers which had been 

 previously cut in the mountains and hauled to the spot for the 

 purpose ; but the force of the party was not sufficient to raise it. 



Orders were sent to the herdsmen in Tuilla Valley, near by, to 

 bring a team in the morning, to transport Lieutenant Gunnison's 

 party to the city. A beef was killed and divided between the 

 companies. The herd was also directed to be removed from 

 Tuilla Yalley to Antelope Island for the season. 



The station was raised the following day, and we started for the 

 city, leaving the boat's crew encamped on the shore of the lake. 

 The interval, until the 25th, was employed in fitting out the party 

 destined for the survey of the eastern shore of the lake, which 

 being completed, I rejoined my people at Black Rock. 



Friday^ April 26. — A violent blow from the north prevented 

 our moving before the afternoon ; but, just before sundown, the 

 wind having lulled, we loaded the boat and started for Promontory 

 Point, where the camp had been left under charge of Mr. Carring- 

 ton. A southerly breeze struck us about dark, and continued all 

 night. The weather was clear, but extremely cold. None of my 

 crew had the least knowledge of managing a boat, and I was 

 therefore always obliged to take the helm myself whenever the 

 sails were set. As the wind had now become fair, and there was 

 no necessity for rowing, each man wrapped himself in his blanket, 



