Biologist Richard Ruby navigates a survey boat on Cayuga Lake near Aurora, NY, while biologist Michael Voorhees prepares to cast a rake into the lake in order to collect plant samples on July 17, 2017.

---

Size: 1732px × 1155px
Photo credit: © Bob Collet / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: air, america, archive, armed, army, buffalo, cayuga, corps, defence, district, engineers, finger, force, forces, great, hydrilla, invasive, lake, lakes, military, navy, reportage, service, serviceman, servicemen, soldier, species, states, united, usa, usace, usacebuffalo