TY  - RPRT
TI  - Chemical analyses of igneous rocks published from 1884 to 1913, inclusive, with a critical discussion of the character and use of analyses
AU  - H.S. Washington
PY  - 1917
DO  - 10.3133/pp99
UR  - https://pubs.usgs.gov/publication/pp99
ID  - pp99
ER  -