... Roofing Materials □*□ p«4 ISI »>ahall Fill. «• IS. 114 * H.-W lb Ml 1.32 1.33 1.34 1.34 1.35 1.36 1.37 1.38 1.39 1.40 1.41 1.43 1.44 Ill " " fti IS. 431 n. H.-4I» lall 2.54 2.56 2.57 2.59 2.60 2.62 2.64 2.65 2.68 2.70 2.73 2. 75 2.77 ISI " Ha. St. 114 ...
United States. Congress. Senate,
1957