https://pubs.usgs.gov/of/1995/of95-017/plate/panel15.html
USGS OFR95-17, Plate 1, 15
usgsplate
https://pubs.usgs.gov/of/1995/ofr-95-399/
USGS OFR95-399
NAWQA ground water data collection protocol
usgs
https://pubs.usgs.gov/of/1995/of95-017/plate/panel03.html
USGS OFR95-17, Plate 1, 03
usgsplate