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A new Projection of the Western Hemisphere of the Earth on a Plane

This map shows the western hemisphere on a projection. The entire map is round with the upper and lower halves formed by inter-connected partial circles. North and Central America (and the northern part of South America) are shown in the top half, and South America is shown in the bottom half. Island chains are shown in left and right wedges. The portion on the left is labeled "Bahama or Lucayos Islands" and the one on the right is labeled "Antilles Leeward or Caribbee I.
Date: May 1, 1776
Creator: Hardy, J. & Bowen, Thomas, d. 1790
System: The Portal to Texas History

Mississippi River from the passes to Grand Prairie Louisiana.

Map shows coastal survey results conducted during the early twentieth century along the Mississippi River. Includes light and tide tables. Depths shown by soundings. Scale [1:80,000].
Date: May 1906
Creator: U.S. Coast and Geodetic Survey
System: The Portal to Texas History