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008 161004b xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a627.15
_bUn3b
110 _aUnited States.Department of the Interior
245 1 _aModel tests of arch and cantilever elements
_cDepartment of the Interior
260 _aColorado
_bDenver
_c1940
300 _aviii, 174p.
440 _aBulletin 6
505 _aContents: pt. v -- Technical investigation
650 _aCanttlever elements
942 _cBK
999 _c458202
_d458202