TY  - RPRT
TI  - Digital elevation model (DEM) of Cascadia, latitude 39N-53N, longitude 116W-133W
AU  - Ralph A. Haugerud
PY  - 1999
DO  - 10.3133/ofr99369
UR  - https://pubs.usgs.gov/publication/ofr99369
ID  - ofr99369
ER  -