jagant03 added a note to 16 in YH LH location and building Vol. 311 in 1871-1900 Yaquina Head Lighthouse Letter books, saying “There is a stamp at the bottom of the page reading 'Office of the Light House Board' with a date of 'AUG 4 1871'. There's also some writing over and around the stamp that isn't fully legible. It looks like 'acknowledgement' with some signatures and 'arri”