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NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Catalog of Images

2200 thumbnail picture
Title page of computation book of ' Triangles for the Survey of the Coast' made in 1817 by F.R. Hassler.
1817
2201 thumbnail picture
Field sketch of triangulation stations- ' North-Eastern view from Buttermilk Hill.'
Connecticut 1834 ca.
2202 thumbnail picture
Field sketch of New York City as seen from Staten Island. ' North East view of the Horizon as seen from the fire Signal on Staten Island.'
New York, Staten Island 1834 ca.
2203 thumbnail picture
View from triangulation station Fort Hale.
Connecticut, Fort Hale 1834 ca.
2204 thumbnail picture
Westerly view from triangulation station Stony Hill. View includes conical tin signal on pole for seeing reflected sun at great distance.
Connecticut looking to Long Island 1834 ca.
2205 thumbnail picture
Westerly view from triangulation station West Rock near New Haven.
Connecticut, New Haven 1834 ca.
2206 thumbnail picture
Two telescopic views. Top view is of Osborne Hill as seen from Mt. Carmel. Bottom view is of Harrow Hill signal as seen from Buttermilk Hill.
Connecticut 1834 ca.
2207 thumbnail picture
Two telescopic views. Friar's Head Signal as seen from Mt. Carmel. Ruland Hill Signal as seen from Mt. Carmel.
Connecticut 1834 ca.
2208 thumbnail picture
Two telescopic views. Hempstead Harbor Signal as seen from Bald Hill. Loaf Hill Signal as seen from Bald Hill.
Connecticut 1834 ca.
2209 thumbnail picture
Ruland Hill Signal as seen from Mt. Carmel.
Connecticut looking to Long Island 1834 ca.
2210 thumbnail picture
Friars Head signal as seen from Mt.Carmel.
Connecticut looking to Long Island 1834 ca.
2211 thumbnail picture
Loaf Hill signal as seen from Bald Hill.
Connecticut 1834 ca.
2212 thumbnail picture
Finished view from Mt.Carmel looking to North East No.1
Connecticut 1834 ca.
2213 thumbnail picture
Finished view from Staten Island fire signal towards Manhattan.
New York , New York 1834 ca.
2214 thumbnail picture
Finished view from Staten Island fire signal towards Manhattan. View emphasizing Manhattan.
New York , New York 1834 ca.
2215 thumbnail picture
Finished easterly view from Stony Hill
Connecticut 1834 ca.
2216 thumbnail picture
Finished view from Yard Station. Graphic includes triangulation diagram extending from Mt.Holly to Mt. Hope.
New Jersey 1841 ca.
2217 thumbnail picture
Panoramic view showing Mt.Hope and Grand View from Station Montrose.
New Jersey 1841 ca.
2218 thumbnail picture
View of Diamond Hill by Ferdinand Gerdes.
New Jersey 1840 ca.
2219 thumbnail picture
View looking north from Fort Hale
Connecticut 1834 ca.
2220 thumbnail picture
Rough sketch of Newton Signal showing lines of sight to observed triangulation stations.
New Jersey 1840 ca.
2221 thumbnail picture
Title page to computations of triangles observed by Ferdinand Hassler around New York City in 1817.
New York , New York 1817 ca.
2222 thumbnail picture
Rough sketch showing the general appearance of the 30-inch theodolite when mounted.
Connecticut 1838 ca.
2223 thumbnail picture
Main triangles of the Survey of the Coast of the United States showing method of computing using logarithms.
New York, Long Island 1837 ca.
2224 thumbnail picture
Computation of triangles working outward from Fire Island baseline showing method of computing using logarithms.
New York, Long Island 1837 ca.
2225 thumbnail picture
Field observations of angles showing different plate settings of theodolite.
New York, Long Island 1837 ca.
2226 thumbnail picture
Computation book page showing method of determining final value of observed angle.
New York, Long Island 1837 ca.
2227 thumbnail picture
Computations showing method of determining links of sides of triangles by using logarithms.
New York, Long Island 1837 ca.
2228 thumbnail picture
Topographic shoreline manuscript showing section of Hudson River including Washington Irving's home below Tarrytown. Sheet produced by Hugo L. Dickins, registry No.T-132.
New York, Tarrytown 1840
2229 thumbnail picture
Topographic shoreline manuscript showing section of Hudson River in the vicinity of today's Tappan Zee Bridge. Sheet produced by Hugo L. Dickins, registry No.T-132.
New York, Tarrytown 1840
2230 thumbnail picture
Topographic sheet from Fort Lee to Boompers Hook by Thornton A. Jenkins, USN. Registry No. T-96
New York, New York 1839
2231 thumbnail picture
Topographic sheet between Patchogue and Smith Point, Long Island, by Charles Renard. Title block of Registry No. T-2.
New York, Long Island 1835
2232 thumbnail picture
Topographic sheet between Patchogue and Smith Point, Long Island, by Charles Renard. Registry No. T-2.
New York, Long Island 1835
2233 thumbnail picture
Western portion of Hydrographic Sheet No. H-44. This was actually the first hydrographic survey sheet completed by the U.S. Coast Survey. Surveyed by Lieutenant Thomas R. Gedney, USN.
New York, Long Island, Great South Bay 1834
2234 thumbnail picture
Center portion of Hydrographic Sheet No. H-44. This was actually the first hydrographic survey sheet completed by the U.S. Coast Survey. Surveyed by Lieutenant Thomas R. Gedney, USN.
New York, Long Island, Great South Bay 1834
2235 thumbnail picture
Blowup of title block of Hydrographic Sheet No. H-44 showing South Coast of Long Island, Great South Bay, 1:10,000, 1834, Lt. T. R. Gedney, USN.
New York, Long Island, Great South Bay 1834
2236 thumbnail picture
Section of Hydrographic Sheet No. H-44. This was actually the first hydrographic survey sheet completed by the U.S. Coast Survey. Surveyed by hydrographic survey sheet completed by the U.S. Coast Survey. Surveyed by
New York, Long Island, Great South Bay 1834
2237 thumbnail picture
Title block of Chart of Sandy Hook Bar, sounded by Lieutenant T. R. Gedney. This survey discovered Gedney's Channel into New York Harbor helping insure its place as the great mercantile capital of the United States.
New York, Sandy Hook Bar 1835
2238 thumbnail picture
Tide diagram of Chart of Sandy Hook Bar, sounded by Lieutenant T. R. Gedney. This is one of the earliest tide records of the Coast Survey. Meteorological information was also included showing an awareness of the effect of winds on tidal levels.
New York, Sandy Hook Bar 1835
2239 thumbnail picture
Blowup of tide diagram of Chart of Sandy Hook Bar by Lieutenant T.R. Gedney. Tide scale for September 1835 with meteorological and astronomical information included.
New York, Sandy Hook Bar 1835
2240 thumbnail picture
Portion of Chart of Sandy Hook Bar showing New York Bay to west of Sandy Hook.
New York, Sandy Hook Bar 1835
2241 thumbnail picture
Portion of Chart of Sandy Hook Bar showing bottom configuration between Sandy Hook and Long Island.
New York, Sandy Hook Bar 1835
2242 thumbnail picture
Portion of Chart of Sandy Hook Bar showing bottom configuration between Sandy Hook and Long Island.
New York, Sandy Hook Bar 1835
2243 thumbnail picture
SW sheet of six-sheet chart of New York Bay and Harbor. Title sheet. This chart was the culmination of Ferdinand Hassler's superintendence. Unfortunately it was published posthumously. It established the style for Coast Survey and Coast and Geodetic Survey charts for at least the next 50 years.
New York, New York Harbor 1844
2244 thumbnail picture
Title block of Sheet No. 1 which includes sailing directions, tidal information, light characteristics, and establishment of New York City Hall as Zero Longitude for this chart. Two remarkable views of Sandy Hook Light are also included.
New York, New York Harbor 1844
2245 thumbnail picture
Telescopic view of Sandy Hook Light S.W. on edge of ship channel as seen in 1839. Note glass panes.
New York, New York Harbor 1844
2246 thumbnail picture
SE sheet of six sheets of New York Bay and Harbor. This sheet shows approaches to New York Harbor from the south. It also includes an innovative tidal current chart from observations made by Lt. Comd. Charles H. Davis in 1844. Note also bottom characteristics and offshore depths coupled with incredible topographic detail on Sandy Hook.
New York, New York Harbor 1844
2247 thumbnail picture
Section of SE sheet of six sheets of New York Bay and Harbor showing False Hook Channel, the primary means of approaching New York Harbor prior to the Coast Survey work of 1835.
New York, New York Harbor 1844
2248 thumbnail picture
Note on SE sheet of six sheets of New York Bay and Harbor designating that longitudes on the chart are referred to the Meridian of New York City Hall.
New York, New York Harbor 1844
2249 thumbnail picture
Section of SE sheet of six sheets of New York Bay and Harbor showing current table and scales of both statute miles and a scale of yards. The bottom-most scale divides minutes of longitude into ten-second intervals. Although the minutes of latitude are also divided into ten second divisions, there is no scale for nautical miles perhaps reflecting Hassler's Swiss terrestrial roots.
New York, New York Harbor 1844

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Last Updated:
May 12, 2014