Middleton, Jefferson <br/><br/>
Clay-working industries and building operations in the larger cities in 1916. 

 - Washington, D.C.  Government Printing Office  1918 
 - pp. 511-583 
 - Mineral Resources of the United States, 1916-Part II. .
<br/><br/> Impreso 
<br/><br/> Industrias arcilla y las operaciones de construcción en las grandes ciudades. 
<br/><br/><br/>Ingles 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MINERIA<br/>ARCILLA
<br/><br/><label>Subjects--Index Terms: </label>INDUSTRIAS ARCILLOSAS 
<br/><br/><label>Dewey Class. No.: </label>552.5