Tide gauge at low tide. Photo #1 of sequence

Tide gauge at high tide. Photo #2 of sequence

Erecting a portable tide gauge platform at Kettle Cove. Glendon Boothe on right. Photo #1 of sequence

Erecting a portable tide gauge platform at Kettle Cove. Photo #2 of sequence

Connecting the float to a tide gauge. Tides party of Gerald B. Mills. Photo #1 of sequence

Putting the nipple on a float well. Tides party of Gerald B. Mills. Photo #2 of sequence

Putting the tide gauge on the float well. Tides party of Gerald B. Mills. Photo #3 of sequence

Automatic Digital Recording (ADR) tide gauge. Punched aluminum backed paper tape every 6 minutes with stage of tide

Bubbler tide gauge installation.

Housing for bubbler tide gauge with inspection party. Installation by party off of WHITING

Lt. (j.g.) Martin Conricote hooking up tubing to bubbler tide gauge. Eleuthera Island operations off of PEIRCE

Orifice and tide staff for bubbler gauge on offshore structure. Eleuthera Island operations off of PEIRCE

Tide staff installation at Florida Keys site. Tides party of Gerald B. Mills

Installing offshore pressure-sensing tide gauge. Deployment off of MT. MITCHELL

Installing offshore pressure-sensing tide gauge. Deployment off of MT. MITCHELL

Tugas tide station installation. Installation by party off of PATHFINDER

Automatic tide gauge at Port Protection. Installation by Wire Drag Party No. 4

Automatic tide gauge in Moira Harbor. Party off the WENONAH

Automatic tide gauge mounted on float well. Gauge installed by party off of SURVEYOR. West coast of Baranof Island

Ralph W. Woodworth checking tide gauge in Boston Harbor. Tides party of R. W. Woodworth. From article in Christian Science Monitor, July 23, 1926

Illustration in children's version of "The Sea Around Us". Art imitating life (see photo theb2388). Photo #1 of sequence

B. H. Rigg checking tide gauge. C&GS officer accompanying MacMillan Arctic Expedition. Photo #2 of sequence

Portable automatic tide gauge at old Stone Wharf. Tides party of Glendon Boothe

Standard tide gauge.

Tide gauge at Cape Mordvinof. 60 -foot ladder constructed from top down. Ladder suspended by wires and stakes

Tide gauge at Cape Mordvinof. 60 -foot ladder constructed from top down. Ladder suspended by wires and stakes

Installing tide station on Yunaska Island. Installation party off of EXPLORER

Tide gauge in the Aleutians. Party off of EXPLORER

Tide gauge at Natzuhini Bay. Installed by party off of PATTON

Tending tide gauge at east end of Soda Bay. Party off of PATTON

Tending tide gauge at Shag Rock. Party off of HODGSON

Bubbler tide gauge at MacLeod Harbor. Installed by crew of HODGSON

Tide gauge house on pier along southeast Atlantic coast. Tides party of Gerald B. Mills

Tide gauge house on pier along southeast Atlantic coast. Tides party of Gerald B. Mills

Bubbler tide gauge installed on pier at Searsport. Party off of PEIRCE

Tidal leveling operations - connecting tide staff with bench marks. Combined operations party of C.G. Quillian Party off of GUIDE.

Tidal leveling operations - taking reading on the tide staff. Combined operations party of C.G. Quillian

Leveling to tide staff and water's edge at extreme low tide. Bubbler gauge orifice at right lower edge of photo. Improper installation necessitated leveling to assure observing lowest low water . Tidal bench mark leveling work off of DAVIDSON

Fathometer style tide gauge. Fathometer, clock, batteries, and wind generator to charge batteries. Installation by party off of PATHFINDER

Lieutenant Dale Ross holding rod during tidal leveling operations. Leveling tide staff and bench marks on Eleuthera Island. Party off of PEIRCE

Tidal bench mark leveling in Muir Inlet. Party working in vicinity of recently retreated glacier. Party off of DAVIDSON

Tidal bench mark leveling on coast of Puerto Rico. Atlantic tides party

Tidal leveling up cliff in Puerto Rico. Tieing to bench marks in vicinity of lighthouse. Atlantic tides party

Leveling to bench marks from the tide staff. Atlantic tides party

Running levels at a tide station. Atlantic tides party

Tending tide gauge in intracoastal waterway.

Verifying predicted tides. Chart evaluation survey. Party off of PEIRCE

Verifying predicted tides. Chart evaluation survey. Party off of PEIRCE

Cleaning the tide staff. Atlantic tides party

Water level gauge at Lake Mead. Party of Emmett Sheridan