Explosive Experts, working on the Southeast Expressway, use compressed air to blow out 25-foot boring before inserting dynamite. Charge is well-cushioned to safeguard homes in the expressway area.

Digital Commonwealth — Boston Public Library

Explosive Experts, working on the Southeast Expressway, use compressed air to blow out 25-foot boring before inserting dynamite. Charge is well-cushioned to safeguard homes in the expressway area.

[ca. July 1956]

RightsCC0 — Public Domain

CollectionDigital Commonwealth — Boston Public Library

[Information from item housing] Dynamite and Dynamiting

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