Otto Krummel's map of the Mariana Trench. In: "Handbuch der
Ozeanographie", 1907. This corrects the error made by Supan in his 1899 map
which showed a Karolinen Trench running parallel to the north side of the
Caroline Islands.
Image ID: map00052, Voyage To Inner Space - Exploring the Seas With NOAA Collect Credit: NOAA Central Library Historical Collection