World Hydrography Day, the U.S. Coast Survey, and “Robert J. Walker”

By Stephen D. Nagiewicz, coauthor of "Robert J. Walker": The History and Archaeology of a U.S. Coast Survey Steamship This book is available at a discount price and free shipping as part of our SAA virtual booth. Order here and use code SAA20, valid through June 30.   Thomas Jefferson was one of our nation’s … Continue reading World Hydrography Day, the U.S. Coast Survey, and “Robert J. Walker”