TY  - RPRT
TI  - Consequences of flight height and line spacing on airborne (helicopter) gravity gradient resolution in the Great Sand Dunes National Park and Preserve, Colorado
AU  - M. Andy Kass
PY  - 2013
DO  - 10.1190/tle32080932.1
UR  - https://pubs.usgs.gov/publication/70118526
ID  - 70118526
ER  -