TY  - BOOK
AU  - Clippinger,Donn Merrell
AU  - Gay,Walter E.
TI  - Pumice aggregate in New Mexico: its uses and potentialities,
AV  - TN24.N6 A232 no.28
U1  - 553.69 
PY  - 1947///
CY  - Socorro
KW  - Pumice
KW  - Concrete
ER  -