Upload Credit: Petrarch1603 Source: reddit

Author: TBD

The US Army Corps of Engineers working hydraulic scale model of the San Francisco Bay and Sacramento-San Joaquin River Delta System

#california, #ecuador, #greece, #mexico, #nigeria, #north_america, #united_states

histomania
best photos you will ever see
mapmania
for the map obsessed
partmarine
boat parts and history
shutterstock
marine life photography