It details a six-week (March 11 – April 20) marine specimen-collecting boat expedition he made in 1940 at various sites in the Gulf of California (also known as the Sea of Cortez)

Chart Image Size: 36⅛" x 27⅝"

Edition Date: 25-Jul-2003

Edition Date: 19-Jul-2019

Chart Image Size: 40" x 30"

Utah State Flag Size:3 x 5 ft It details a six-week (MarchMade in the U. S. of 100% fade resistant nylon with canvas heading and brass grommets. Great for indoor, outdoor, and marine use. Available in six sizes. Made to Official State of Utah Design Specifications 100% Heavyweight SolarGuard Nylon Strong Canvas Heading & Large Brass Grommets Durable and Fast Drying Available in six sizes