Figure 1
From: Diatoms constrain forensic burial timelines: case study with DB Cooper money
(A) Location of money find on the Columbia River beach known as Tena Bar north of Portland Oregon. (B) 20 dollar bill from the Cooper hijacking badly degraded around the edges. Blue boxes mark areas sampled for investigation. Red “+” marks location of Fragilaria diatom. Map drawn from Google Earth Pro software ver. 7.1.7.2606 Scale bar 5 km.
