TY - BOOK AU - Brown,S.A. AU - Mcquivey,R.S. AU - Keefer,T.N. TI - Stream channel degradation and aggradations: analysis of impact to highway crossings U1 - 625.70973 PY - 1981/// CY - Washington, D.C. PB - [s.n.] KW - Highway engineering KW - United States KW - Railroad crossings KW - Accidents ER -