Show 268 1873 and 1874 it could be reached by horseback first official for collecting data on the lake oscillations was erected at Black Rock under the direction of Dr John R Park in 1875 Says Gilbert concerning this gauge There was erected at the water’s edge at Black Rock a cut in the form of an obelisk and engranite onblock one side with a scale of feet and inches and graved Mr John T Mitchell was engaged to observe the water height at intervals of a few days Two years later 1877 Jacob Miller at the request of Mr Gilbert who was then making his survey established a This was a post planted in the lake gauge at Farmington silt with graduated feet and inches painted on it Upon this gauge a record was begun in November 1877 and continued The gauge But the lake was about to enter a period of decline and the two gauges were soon high and dry and un- until November 1879 able to be used for their intended purpose As a result a third gauge was erected at Lake Shore resort This was similar to the Miller gauge and was used from November 1879 until September 1881 In 1881 the United States Geological Survey established a fourth gauge at Garfield Landing a short distance west of This consisted of a plank spiked to a pile on Black ftock the steamboat wharf and was used until 1886 11 Gilbert Lake Bonneville 230 when it was |