Condition assessment of roof trusses of Quincy Mine Blacksmith shop in Keweenaw National Historical Park [microform] / Carol A. Clausen ... [et al.] (Research note FPL ; RN 0281)
Condition assessment of roof trusses of Quincy Mine Blacksmith shop in Keweenaw National Historical Park [microform] / Carol A. Clausen ... [et al.]