Minnesota Round Barn Photo Directory and Script. (a) Album: Material: paper, plastic, metal. Size: 7 1/2" x 11". Description: brown vinyl album entitled: "Minnesota Round and Polygonal Barns and Farm Machinery" - contents: 43 plastic sleeves containing over 200 color photos of barns, tractors and other farm implements and buildings. (b) Script. Material: paper. Size: 8 1/2" x 11". Description: white copy paper containing mimeographed map of Minnesota with barn locations marked and about 20 pages of description material for each barn.