Bulletin

Name/Title

Bulletin

Entry/Object ID

2016.007.0004

Scope and Content

Bulletin No. 23-b printed in U.S.A. "Mayo Sandhog Equipment" "Man Locks & Muck Locks" Mayo Tunnel & Mine Equipment, Lancaster, PA Four-page fold over to 8-1/2" x 11" 3-hole-punched Red/Black/White color scheme, numerous photographs

Collection

Yuba Manufacturing Collection