Eckel, Edwin C.  1875-1941. <br/><br/>
Cement materials and industry of the United States / 
by Edwin C.Eckel. 
 - Washington,  Govt. Print. Off.,  1905. 
 - 395, v p.:  xv col. maps (part fold) diagrs.;  24 cm. 
 - U.S. Geological survey. Bulletin  no. 243 .
 - Geological Survey (U.S.).  Bulletin ;  no. 243. .
<br/><br/> Subject series: A, Economic geology, 39; B, Descriptive geology, 50.  Contains short articles by Eugene A. Smith, J. A. Taff, H. Foster Bain, W. H. Weed, E. O. Ulrich and R. S. Bassler.  Bibliographies interspersed.  Includes index. 
<br/><br/><label>LCCN: </label>gs 05000822  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cement--United States.<br/>Portland cement.
<br/><br/><label>LC Class. No.: </label>TN945  / .E2