View source for Bench Mark, San Miguel Island

<span style="color:#FF0000">'''Bench Mark, San Miguel Island'''</span> was established April 20, 1871 by surveyor Stehman Forney. It is located on the southeast face of the island, on which Island [triangulation] station stands. 
: It consists of a redwood pole 5 feet long supported by three braces; on the top of the pole are two horizontal bands covered with black cloth. These boards are on the same plane, one facing towards Cape and the other towards Harbor Station. The top of these boards are 30.55 feet above high water mark. At the foot of the upright pole there is a small hole drilled into the rock upon which the pole stands. This rock is 25.55 feet above high water mark and secures the Bench Mark.