TY  - RPRT
TI  - Structure of the crust in the conterminous United States
AU  - David H. Warren
AU  - J. H. Healy
PY  - 1973
DO  - 10.1016/0040-1951(73)90108-x
UR  - https://pubs.usgs.gov/publication/70010020
ID  - 70010020
ER  -