TY  - RPRT
TI  - Foreward: Geology Field Trips in and around the U.S. Capital
AU  - Christopher S. Swezey
AU  - Mark W. Carter
PY  - 2020
DO  - 10.1130/2020.0057(00)
UR  - https://pubs.usgs.gov/publication/70209422
ID  - 70209422
ER  -