Thomas Jefferys. The Coast of West Florida and Louisiana... 1775

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Thomas Jefferys

The Coast of West Florida and Louisiana . . . [with] The Peninsula and Gulf of Florida or Channel of Bahama with the Bahama Islands . . .

London, 1775

40 x 24 inches

18th Century Florida & Gulf Coast Sea Chart

Nice example of the Laurie & Whittle significantly revised and updated edition of Thomas Jefferys' 2-sheet map of Florida and the Gulf Coast, from Jeffreys' West India Atlas.

This edition of the map includes a significantly revised Florida coastline on both the east and west sides of the Florida peninsula. One obvious example in this 1794 edition is the complete reshaping of Lake Mayaco or Spiritu Sano Lagoon with the river system around it and the massive revisions to the Great Sandy Ridge and the addition of George Lake. The St. Johns' River appears for the first time on this 1794 edition.

The extent of the revisions to the chart is probably best illustrated by the significant changes to the Bemini Islands and the Berry Islands, which bear little resemblance to the treatment on the 1775 edition. Similarly Grand Bahama and Abaco Islands have been significantly revised.

Jeffery's map is the earliest obtainable large format map to treat Florida and the Gulf Coast region with such remarkable detail, including soundings and rhumb lines. The map identifies the trade routes then being utilized by the English, Spanish and other maritime sea powers, along the gulf coast past the Florida Keys and through the channel separating Florida from the Bahamas. Several important anchorage points are noted with ships along the coast line. The map shows many early place names, both along the coastline and the interior.

Jeffreys' West India Atlas was perhaps the single most important work on the region published during the period. It quickly surpassed Mount & Page' s English Pilot, Fourth Book as the primary source of general working charts for the region, by including highly detailed maps of each of the major islands in the Pacific and highly detailed charts of the Coastlines of Florida, the Gulf, Mexico, Central America and the northern Coast of South America.