Image of Thunder Island, and Cascade Lock and Canal during the Vanport Flood of 1948. Rising flood waters are nearing the top of the canal bank. There is a cone shaped white structure on the Island that could possibly be a Native American structure.
Back of image reads; "Here is the end of the gate pointing down river. -4-, 830, 1948"
Inscription/Signature/Marks
Type
Date, Inscription, Number
Location
Back of image
Transcription
Here is the end of the gate pointing down river. -4-, 830, 1948
