The National Oceanic and Atmospheric Administration (NOAA) created and distributed this map of Block Island Sound and its various points of entry for informational purposes amongst both commercial and recreational mariners by providing soundings in feet, locations of radar reflectors, and a logarithmic speed scale.

Published at Washington, D.C. by the U.S. Department of Commerce, the National Oceanic and Atmospheric Administration, and the National Ocean Survey

Year: 1960

Condition: Slight signs of creasing throughout paper and discoloration along top.

This poster is on paper, but please note that we offer linen-backing for an additional cost. Email us at postermuseum@gmail.com for more details.