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NAUTICAL CHARTS - Continued

A nautical mile is a minute of an average great circle of the earth, and its length is 6,080 feet, or 1,853.2 meters. A statute mile is 5,280 feet, or 1,608.3 meters. One meter equals 39.27 inches; 1 centimeter equals 0.3937 inches; 1 inch equals 2.54 centimeters.

DATES ON CHARTS

Nautical charts show all necessary corrections as to lights, beacons, buoys, recently discovered wrecks, etc., as of the date of issuance from the Washington, D. C., or Manila, P. I., offices, printed in the lower right margin in the following manner:

LIGHTS, BEACONS, BUOYS, AND DANGERS CORRECTED FOR INFORMATION RECEIVED TO DATE OF ISSUE (DATE)

Other dates, although of less importance, are necessary for the identification of the chart and should be understood. The authority note gives the dates (years) of the surveys (made by the United States Coast and Geodetic Survey unless otherwise stated) and reads:

AUTHORITIES
SURVEYS (DATE)
SURVEYS BY U. S. ENGINEERS (DATE)

When a new nautical chart is issued, the date (month and year) is printed in the publication note:

PUBLISHED AT WASHINGTON, D. C. (OR) MANILA, P. I. (DATE) BY THE U. S. COAST AND GEODETIC SURVEY

R. S. PATTON, Director

This note is located in a central position below the border and remains unchanged until extensive corrections accumulate. The date is then changed and the chart reissued as a new edition. Mariners are accordingly warned against using obsolete charts.
     When a correction, not of sufficient importance to require a new edition, is made to a chart plate, the year, month, and day are noted below the border in the left-hand corner of the chart in the following manner: 19-6/30, 7/22, 20-2/3, 5/27.
     All important corrections occurring subsequent to the date of issue are announced in the weekly Notice to Mariners and should be immediately applied by hand by the chart owner.
     The other notes on the chart should be read, as they may relate to navigation aids or to dangers which can not be clearly charted. Other details which can not be shown on nautical charts, appear in United States Coast Pilots or Intracoastal Waterways Pilots for the area covered.

________________________________________________________

SAILING AND GENERAL CHARTS OF THE ATLANTIC AND GULF COASTS

|No.| Price | Title | Scale | Size of border (inches)| Date
|---|---|---|---|---|---|
SAILING CHARTS
|1000 | $0.75 | Cape Sable to Cape Hatteras | *1:1, 200,000 | 33x41 | 1934|
|---|---|---|---|---|---|
|1001 | .75 | Chesapeake Bay to Straits of Florida | *1:1, 198,000 | 33x41 | 1932|
|---|---|---|---|---|---|
|1002 | 0.75 | Straits of Florida and approaches | *1:1, 197,000 | 33x41 | 1933|
|---|---|---|---|---|---|
|1007 | .75 | Gulf of Mexico | *1:2, 195,000 | 34x42 |1933|
|---|---|---|---|---|---|
GENERAL CHARTS
|50 | .75 | Cape Elizabeth to Cape Cod | *1:210,220 | 28x44 | 1932|
|---|---|---|---|---|---|
|51 | .75 | Nantucket Shoals to Montauk Point | *1:200,000 | 34x44 | 1926|
|---|---|---|---|---|---|
|52 | .75 | Montauk Point to New York and Long Island Sound | *1:200,000 | 32x42 | 1931|
|77 | .75 | Chesapeake Bay, northern part | *1:200,000 |32x35 | 1931|
|---|---|---|---|---|---|
|78 | .75 | Chesapeake Bay, southern part | *1:200,000 | 31 x 32 | 1930|
|---|---|---|---|---|---|
|1106 | .75 | Bay of Fundy to Cape Cod | *1:384,000 | 34x44 | 1933|
|---|---|---|---|---|---|
|1107 | .75 | Georges Bank and Nantucket Shoals | *1:391,000 | 32x46 | 1934|
|---|---|---|---|---|---|
|1108 | .75 | Approaches to New York | *1:400,000 | 32x47 | 1931|
|---|---|---|---|---|---|
|1109 | .75 | Cape May to Cape Hatteras | *1:415,000 | 31x44 | 1930|
|---|---|---|---|---|---|
|1110 | .75 | Cape Hatteras to Charleston Light | *1:433,000 | 31x44 | 1929|
|---|---|---|---|---|---|
|1111 | .75 | Charleston Light to Cape Canaveral | *1:450,000 | 31x43 | 1932|
|---|---|---|---|---|---|
|1112 | .75 | Cape Canaveral to Key West | *1:470,000 | 29x45 | 1932|
|---|---|---|---|---|---|
|1113 | .75 | Habana to Tampa Bay | *1:471,000 | 29x43 | 1933|
|---|---|---|---|---|---|
|1114 | .75 | Tampa Bay to Cape San Blas | *1:456,000 | 29x32 | 1925|
|---|---|---|---|---|---|
|1115 | .75 | Cape St. George to Mississippi Passes | *1:456,000 | 32x39 | 1925|
|---|---|---|---|---|---|
|1116 | .75 | Mississippi River to Galveston | *1:459,000 | 34x43 | 1925|
|---|---|---|---|---|---|
|1117 | .075 | Galveston to the Rio Grande | *1:461,000 | 35x41 | 1919|
|---|---|---|---|---|---|
|1350 | .75 | Florida Keys, Fowey Rocks to American Shoal | 1:180,000 | 33x37 | 1922|
|---|---|---|---|---|---|
|1351 | .75 | Florida Keys, American Shoal to Dry Tortugas | 1:180,000 | 25x38 | 1922|
|---|---|---|---|---|---|
SPECIAL CHART FOR FISHING INDUSTRY
|3075 | .75 | Georges Bank, eastern part | *1:225,000 | 33x40 | 1932| 
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*Scale approximate

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