Fig. 1: Location and geomorphic features around Leonard Lake.

a Leonard Lake is situated in the northwestern Coast Ranges (dark gray shading)57, California, USA58. b Streams (blue lines)59 and the watershed (black line) are depicted around Leonard Lake (light blue) and its meadow (dark gray), with the world hillshade map layer60. c Bathymetric map of Leonard Lake where increasing depth (m) is shown by increasingly dark blues, and the coring site is shown by a yellow circle in the lake’s depocenter. Copyright © 2024 Esri and its licensors. All rights reserved.