Tidal leveling operations - connecting tide staff with bench marks.Combined operations party of C.G. QuillianParty off of GUIDE.
3/20/2019 1:53:45 PM
Date: 1915
Credit: C&GS; Season's Report Quillian 1915-77
Location: Alaska, Cat Island, Southeast Alaska
Subject: Charting
Subject: Tides
Subject: Leveling