Massachusetts Dept. of Environmental Protection: CAMBRIDGE - Cambridge Shell - 1986-02 - 003
Massachusetts Dept. of Environmental Protection: CAMBRIDGE - Cambridge Shell - 1986-02 - 004
Massachusetts Dept. of Environmental Protection: CAMBRIDGE - Cambridge Shell - 1986-02 - 005
Massachusetts Dept. of Environmental Protection: CAMBRIDGE - Cambridge Shell - 1986-02 - 006
Massachusetts Dept. of Environmental Protection: CAMBRIDGE - Cambridge Shell - 1986-02 - 007
Massachusetts Dept. of Environmental Protection: CAMBRIDGE - Cambridge Shell - 1986-02 - 008
Massachusetts Dept. of Environmental Protection: CAMBRIDGE - Cambridge Shell - 1986-02 - 001
Massachusetts Dept. of Environmental Protection: CAMBRIDGE - Cambridge Shell - 1986-02 - 002