Examination and classification of rocks for road building : including the physical properties of rocks with reference to their mineral composition and structure / by Edwin C.E. Lord.

Washington : U.S. Dept. of Agriculture, Office of Public Roads : G.P.O., 1907.

29 p., 10 leaves of plates : ill. ; 23 cm.

BEIN Zc10 893un 5: Original front wrapper bound in. No. 9 of 10 titles bound together with binder's title: Office of Public Roads, miscellaneous publications 1906-1907.

English

May 10, 2011