View of Seattle from survey T-1406 "Du Wamish Bay (part of) Washington Territory." Surveyed in 1875 by James Lawson. This sheet shows the growth of Seattle since the first survey of the area in 1854. See image cgs05137.

Chart of "Lake Champlain Sheet No. 4 from Panton to Whitehall."

Chart of "Santa Monica California."

Diagram showing the Progressive and Retrograde Changes of Sandy Hook Spit

A Chart (No. 3) exhibiting the normal course & Velocity of the Tidal Current at Ebb in Boston Harbor. From observations by Lieut J.N. Maffitt of the Hydrographic party.

Comparative Map of Boston Harbor, Massachusetts. From Surveys made by Lieut. A.S. Wadesworth U.S.N. in 1817 and Coast Survey in 1846-53.

Title block to Comparative Map of Boston Harbor, Massachusetts.

Notes block to Comparative Map of Boston Harbor, Massachusetts. Comparative notes between Survey in 1817 & Survey in 1846-53. See cgs05367.

A chart of Boston Bay and Harbor, Massachussetts.

Preliminary Survey of Humboldt Bay, California. Triangulation by G.Davidson Assistant. Topography by J.S. Lawson Sub-Assistant. Hydrography by the party under command of Comdr. James Alden U.S.N. Assist.

Survey Journal of the Topographical party, under the charge of Henry D. Whiting Assistant, for the month of July, 1877. Containing information of "Day of the Week", "State of Weather, Temperature and Atmosphere", "Wind Direction and Strength" and "Occupation of the Day."

Bird's-Eye view of Mount Shasta, showing its three botanic zones of "Alpine Zone", "Fir Zone" and "Chaparral Zone."

A picture showing snow-storm on Mount Shasta and Mount Shasta from the valley of upper Sacramento.

A picture from "Harper's New Monthly Magazine." Showing view of the Whitney Glacier situated on Mount Shasta near the head.

A chart of Boston Harbor, Massachusetts. From a Trigonometrical Survey. Triangulation by A.D. Bache Supdt. and C.O. Boutelle Asst. Topography by J.B. Gluck, H.L.Whiting, J.S. Williams Assts & S.A. Gilbert Sub-Asst. Surveyed in 1867, Edition of 1878. Including 3 views of Entrance to Boston by Main & South Channel, showing Minot's Ledge Lt. and Long Island Lt.

Sailing Direction block to chart of Boston Harbor, Mass.

Title block to the chart of Boston Harbor, Mass. See cgs05376.

The NW section of the chart of Boston Harbor, Mass. Showing note on "Triangulation was executed in 1846&47. Topography & Hydrography were done in 1846, 60&64. Symbols of "Sunk Rock", "Rock Awash", "Ledge of Rocks", "Position of Life Boat", and "Hut of Refuge." Humane Society established "Hut of Refuge."

Remarks on the set of the Tidal Currents, from the chart of Boston Harbor, Mass.

Notes on SW corner of Boston Harbor chart. Abbreviations of the Bottoms (nature of bottom sediments), Tides note and Tidal Currents table.

View of Entrance to Boston by Main Channel, Minot's Ledge Lt. bearing S. by E. distant at 2 3/4 miles. See image cgs05376.

View of Minot's Ledge Light, bearing S. by E. distant at 2 3/4 miles. Apparently this view was constructed from two merged copper engravings as there is a definite break in water texture between left and right halves.

The western part of the view of the entrance to Boston by South Channel, showing Boston Light, Nantasket Hill, Middle Brewster, Great Brewster, Calf Ids, Green Island, Narrows Light, Fort Warren, Lovell's Island, and partial Long Island Light.

The center part of the view of the entrance to Boston by South Channel, from Long Island Light to Deer Island. Remarkable group of sailing vessels adorn this view.

The eastern part of the view of the entrance to Boston by South Channel, showing Alms House, Pt. Shirley, Winthrop's Head, State Ho. Bunker Hill Monument , Grover's Cliff and Breed's Island.

Part of chart of Boston Harbor, Massachusetts. See image cgs05376.

Part of chart of Boston Harbor, Massachusetts with emphasis on downtown Boston. See image cgs05376.

Title block showing statistics and legend information for Hydrographic Survey H- 1341a of Monica Bay (Santa Monica Bay), California, surveyed by Lieut. Commander H.C. Taylor, U.S.N.

Portion of smooth sheet for Hydrographic Survey H-1341a of Monica Bay (Santa Monica Bay) showing a canyon head and a profile of the canyon.

Depth profiles across various sections of the Gulf of Mexico showing temperature at various set depths. This data was acquired on the C&GS Steamer BLAKE under Charles Sigsbee.

Selected depth profiles across sections of the Gulf of Mexico showing temperature at various set depths. This data was acquired on the C&GS Steamer BLAKE under Charles Sigsbee.

Selected depth profiles across the Gulf of Mexico between Campeche Bank and Loggerhead Key, Tortugas. This data was acquired on the C&GS Steamer BLAKE under Charles Sigsbee.

Selected depth profiles in the eastern Caribbean Sea showing temperatures at various depths. This data was acquired on the C&GS Steamer BLAKE under John Bartlett.

Selected depth profiles across sections of the Gulf of Mexico showing at various set depths. This data was acquired on the C&GS Steamer BLAKE under Charles Sigsbee.

Reconnaissance views across the mountains of the Great Basin at the beginning of the work on the 39th Parallel Arc of Triangulation which extended from Atlantic to Pacific, at the time the longest arc of the parallel ever observed. See image cgs05398.

Reconnaissance views looking at Pioche, seen from Beaver Mountain at 93 miles distant. Beaver Mountain, seen from Pioche at 93 miles distant. See image cgs05398.

Topographic Diagram H-2139 showing proposed connection between Sierra Nevada and Wahsatch (Wasatch) Mts. surveyed by Aug F. Rodgers Assistant

E section of Geodetic Reconnaissance from the Sierra Nevada to Wasatch Mountains.

W section of Geodetic Reconnaissance from the Sierra Nevada to Wasatch Mountains. Projected and drawn by George Farguhar at the Coast Survey Sub office, San Francisco.

Nautical Chart of Lake Champlain, sheet No.1. Aids to Navigation corrected to 1884.

Nautical Chart of Lake Champlain, sheet No.2. From Cumberland Head to Ligonier Point.

The SE section of Chart of Lake Champlain, sheet No.2. Town Burlington and Breakwater. See image cgs05402.

Title block to Hydrographic Chart H-1514 of West India Islands and Caribbean Sea . Compiled by E. Willenbucher in November 1879. See image cgs05405 & cgs05406.

The W section of Hydrographic Chart H-1514 of West India Islands and Caribbean Sea.

The E section of Hydrographic Chart H-1514 of West India Islands and Caribbean Sea.

Topographical drawing from U.S. Coast and Geodetic Survey Report of 1879, by E. Hergesheimer Assistant. Exhibiting Sand beach with low Dunes, Fresh Water Pond, Meadow Grass, Sage Brush and Arroyos (S. Coast of California).

Topography T-1466a of Round Top, Alpine County, California, Section 10. Surveyed by E.F. Dickins, Sub Assistant in September 13th to 30th 1879.

Comparison of the Polyconic, Bonne's and Flamsteed's Projections. Also exhibits Lambert's Projection and Murdoch's Projection. From U.S. Coast and Geodetic Survey Report of 1880, Plate 4.

Exhibitions of Gnomonic Projection on "Plane tangent at a Horizon." Flamsteed's Projection, Mercator's Projection & Polyconic Projection. From U.S. Coast and Geodetic Survey Report of 1880, Plate 5.

Topographic map of Round Top area, Sierra Nevada, by E. F. Dickins. Surveyed during course of 39th Parallel Survey of the United States.