"Technical Specifications and Drawing for Door Endwall Framing by Cuckler Steel Span Company"1953-1975unknownhttp://rightsstatements.org/vocab/NKC/1.0/enghttp://congressarchives.org/record/CAC_CC_001_9_0000_6_139.2The document is a project blueprint of a hangar door structure and door end wall framing plan from Cuckler Steel Span Company. It includes technical specifications such as measurements, materials, and sectional views. The document was issued in Monticello, Iowa and includes details of the drafter and revisions.