TY  - RPRT
TI  - Clear mylar templates used to measure latitude and longitude of sample localities at scales of 1:24,000, 1:62,500, 1:100,000 and 1:250,000 between the latitudes of 25 degrees 30 minutes and 40 degrees north or south latitudes
AU  - W. L. Campbell
AU  - George VanTrump
PY  - 1981
DO  - 10.3133/ofr81747
UR  - https://pubs.usgs.gov/publication/ofr81747
ID  - ofr81747
ER  -