Below you can find logos, similar to the USG.

VisusGrafika VisusGrafika vector
USG 85 USG 85 vector
USGS 88 USGS 88 vector
USG 86 USG 86 vector
usgang ch 87 usgang ch 87 vector
USGA USGA vector
usgang ch usgang ch vector
Larsen & Brusgaard Larsen & Brusgaard vector
USGS USGS vector