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MAP #: 350U5

CARTOGRAPHER : UNITED STATES COAST SURVEY

DATE: 1850

SHORT TITLE : SKETCH C. SHOWING THE PROGRESS OF SECTION NO. 3.

REMAINING TITLE & ID : U.S. COAST SURVEY 1844 TO 1850 SCALE 1/600 000 (TOP RIGHT CORNER). UNTITLED NOTES EXPLAINING SYMBOLS (UNDER TITLE). SCALE OF STATUTE MILES (UNDER UNTITLED NOTES). INSET OF THE AREA BETWEEN GEORGETOWN AND FT. WASHINGTON ON THE POTOMAC RIVER (LEFT CENTER, UNTITLED). CHART HAS NO NEAT LINES. THE REVERSE SIDE IS BLANK. LONGITUDE AND LATITUDE (NOT SHOWN).

DATE OF PUBLICATION : S1850
PLACE OF PUBLICATION : WASHINGTON
PUBLISHER : U.S. TREASURY DEPARTMENT
LANGUAGE(S) : EN
SIZE (HEIGHT X WIDTH) : 52.0 X 34.5 CM. (APPROXIMATE LIMITS OF ENGRAVING)
SIZE - OTHER DATA : 56.5 X 39.0 CM. OM
SCALE - (RF) 1: : 600,000
SCALE - OTHER DATA : 30 STATUTE MILES = 8.0 CM.
LIB. OF CONGRESS # : -
Md. HALL OF RECORDS # 1 : MSA SC1399-471
# 2 : MSA SC1399-340(REPRO)
HUNTINGFIELD ACQ. # 1 : J017-DDT
# 2 : -
REGION CATEGORY : MAP ON WHICH THE MD/CHESAPEAKE AREA IS ONE MAIN FOCUS (1)
SPECIAL CATEGORY(IES) : USCS TYPE CHART (4)
: PROGRESS SKETCH (20)
# SHEETS TO MAP : 1
MAP ORIENTATION : N IS AT THE TOP OF THE CHART.
RELIEF SHOWN ? : NO
HYDROGRAPHIC DATA : SHOAL SOUNDINGS ARE IN FEET AND FATHOMS IN OCEAN AREA.
: SHOALS ARE SHOWN WITH SHADING.
CARTOUCHE : NONE (1)
BORDER : NONE (1)
PRIME MERIDIAN(S) : NONE
SEE ALSO MAP #s : -
BEST INFO SOURCE : THE 1850 USCS ANNUAL REPORT TO CONGRESS IS THE ONLY SOURCE FOUND.
DESCRIPTION : THIS SKETCH OF THE CHESAPEAKE BAY AREA WAS ISSUED TO ILLUSTRATE THE REPORT OF THE SUPERINTENDENT OF THE COAST SURVEY, SHOWING THE PROGRESS OF THE WORK FOR THE YEAR ENDING NOVEMBER, 1850. IT GIVES THE MAJOR AND SECONDARY TRIANGULATION LINES FOR THE BAY AND ITS RIVERS. THE SKETCH ALSO SHOWS THE TIDAL, ASTRONOMICAL AND MAGNETIC STATIONS AND IDENTIFIES THE PLANE TABLES AND THE HYDROGRAPHIC SHEETS (WHICH WERE DONE IN MANUSCRIPT BUT NOT PUBLISHED AND ISSUED TO THE PUBLIC).

DURING 1850, THERE WERE SEVEN PARTIES AT WORK ON THE SURVEY IN SECTION 3 FOR THE WHOLE SEASON. ONE WAS EXECUTING PRIMARY TRIANGULATION; TWO TOPOGRAPHY, ONE BEING A DOUBLE PARTY; ONE HYDROGRAPHY, BEING A DOUBLE PARTY, USING A STEAMER AND A SAILING VESSEL. THE CONNECTION OF THE PRIMARY TRIANGULATION OF THE COAST WITH THE WASHINGTON OBSERVATORY AND CAPITOL WAS COMPLETED AND THE NECESSARY ASTRONOMICAL WORK NEARLY DONE. THE TRIANGULATION OF THE CHESAPEAKE AND THAT OF THE OUTER SEACOAST WAS ADVANCED TO WITHIN LESS THAN TWO SEASONS WORK OF THE CAPES (WOLF TRAP AND CEDAR ISLAND, VIRGINIA). THE TOPOGRAPHY OF THE SHORES OF THE CHESAPEAKE AND OUTSIDE WAS NEARLY UP TO 1849'S TRIANGULATION (AT THE MOUTH OF RAPPAHANNOCK AND SANDY POINT INSIDE AND AT CHINCOTEAGUE BAY OUTSIDE). THE HYDROGRAPHY OF THE SEACOAST REACHED THE MIDDLE PART OF CHINCOTEAGUE BAY AT LONESOME HILL STATION AND THAT OF THE BAY EXTENDS SOUTH TO THE MOUTH OF THE RAPPAHANNOCK. SEATON TELEGRAPH STATION AT WASHINGTON WAS CONNECTED WITH THE NEIGHBORING TRIANGULATION POINTS, AND OBSERVATIONS FOR LATITUDE AND AZIMUTH WERE MADE AT IT. IT WAS ALSO CONNECTED BY TELEGRAPH WITH CHARLESTON. CONSIDERABLE IMPROVEMENTS WERE MADE IN THE APPARATUS FOR RECORDING THE TELEGRAPH SIGNALS FOR DIFFERENCE OF LONGITUDE. THE DRAWING AND ENGRAVING OF THE MAP OF THE NORTHERN PART OF CHESAPEAKE BAY, AND THE ONE OF BALTIMORE HARBOR AND THE PATAPSCO WERE IN PROGRESS AND THE PRELIMINARY CHART OF THE SEACOAST OF DELAWARE AND MARYLAND WAS COMPLETED.

DATA IS FROM THE USCS 1850 ANNUAL REPORT TO CONGRESS AND FROM OBSERVATION OF THE COPIES IN THE HUNTINGFIELD COLLECTION.

EDITION & STATE INFO : INFORMAL REPORTS WERE MADE ANNUALLY BY THE SUPERINTENDENT OF THE COAST SURVEY FROM 1816 THROUGH 1850. THESE WERE PUBLISHED BY THE TREASURY DEPARTMENT AND WERE SENT TO CONGRESS. BEGINNING WITH 1851, THESE PROGRESS REPORTS BECAME MORE FORMAL. THEY WERE PRODUCED IN MUCH LARGER QUANTITY AND WERE MORE WIDELY DISTRIBUTED TO SCHOOLS AND OTHER INSTITUTIONS AND INDIVIDUALS IN ADDITION TO CONGRESS. THE U.S. COAST SURVEY BECAME THE PUBLISHER BEGINNING IN 1851. THE WIDER DISSEMINATION WAS AN ATTEMPT BY THE AGENCY TO BUILD A WIDER BASE OF SUPPORT FOR THE ACTIVITIES OF THE COAST SURVEY. BEGINNING IN 1844, THESE REPORTS DESCRIBED IN CONSIDERABLE DETAIL THE PROGRESS OF THE SURVEY INCLUDING IN SECTION III, WHICH PRIMARILY CONSISTED OF THE CHESAPEAKE BAY AND THE OCEAN FRONT OF DELAWARE, MARYLAND AND VIRGINIA. ANNUAL PROGRESS SKETCHES WERE APPENDED, SHOWING THE EXTENT OF THE TRIANGULATION, TOPOGRAPHY, HYDROGRAPHY AND OTHER WORK ACCOMPLISHED UP TO THAT TIME.

HFC OWNERSHIP DATA : THE HUNTINGFIELD COLLECTION HAS A COPY ON LIGHT PAPER THAT IS REPAIRED AT THE CENTERFOLD. IT HAS AN ACQ. # OF J017-DDT AND A MDHR # OF MSA SC1399-471. THE COLLECTION ALSO HAS A FULL SIZE PHOTOCOPY OF THE LIBRARY OF CONGRESS COPY WITH A MDHR # OF MSA SC1399-340(REPRO).

BIBLIGRAPHICAL REFS. : U.S. COAST SURVEY, REPORT OF THE SUPERINTENDENT OF THE COAST SURVEY, SHOWING THE PROGRESS OF THE WORK FOR THE YEAR ENDING NOVEMBER 1850, WASHINGTON: U.S. SENATE EX. DOC. No. 7, 31st CONGRESS, 2d SESSION, 1850, 9-10,23-28.

February 25, 1993


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