TY  - RPRT
TI  - Trends and traditions: Overview and synthesis
AU  - W David Shuford
AU  - Robert E. Gill
AU  - Colleen M. Handel
PY  - 2017
DO  - 10.21199/swb3.intro
UR  - https://pubs.usgs.gov/publication/70200042
ID  - 70200042
ER  -