TY  - RPRT
TI  - A topographic base for GIS from automated TINs and image-processed DEMs
AU  - Richard J. Pike
AU  - Gail P. Thelin
AU  - William Acevedo
PY  - 1987
UR  - https://pubs.usgs.gov/publication/70093567
ID  - 70093567
ER  -