Fathometer style tide gauge.Fathometer, clock, batteries, and wind generator to charge batteries.Installation by party off of PATHFINDER
3/20/2019 1:53:45 PM
Date: 1949
Credit: C&GS; Season's Report Knox 1949-127
Location: Protection Point, Bristol Bay, Alaska
Subject: Charting
Subject: Tides
Subject: Gauge
Subject: Installation