Otto Krummel's map of the Mariana Trench. In: Handbuch derOzeanographie, 1907. This corrects the error made by Supan in his 1899 mapwhich showed a Karolinen Trench running parallel to the north side of theCaroline Islands.
4/4/2019 12:53:20 PM
Credit: NOAA Central Library Historical Collection
Subject: Exploration
Subject: Maps