A clamshell dredge performs maintenance work in Boston
Summary
A clamshell dredge performs maintenance work in Boston Harbor.
Public domain photograph of dock building, free to use, no copyright restrictions image - Picryl description
Tags
Date
20/08/2014
Source
Defense Visual Information Distribution Service
Copyright info
Public Domain Dedication. Public Use Notice of Limitations: https://www.dvidshub.net/about/copyright