TY  - RPRT
TI  - Map showing natural land slopes, Port Townsend quadrangle, Puget Sound region, Washington
AU  - J. E. Frederick
PY  - 1979
DO  - 10.3133/i1198a
UR  - https://pubs.usgs.gov/publication/i1198A
ID  - i1198A
ER  -