Concrete leveling at Pier 3N, 1968
1968-07-31 / Jeeves, R.C.
A black-and-white photograph and a caption that reads, "Pier 3N concrete leveling course placement in progress using vibratory screeds - ledge washed and cleaned."
~ Jeeves, R.C., “Concrete leveling at Pier 3N, 1968,” Portsmouth Public Library's Online Archives, accessed April 6, 2025, https://portsmouthexhibits.org/items/show/4982.