About the Silty dolostone or dolomite, FGDC 646 hatch pattern
Silty dolostone or dolomite lithology symbol, slanted-joint courses with dots and dashes. FGDC geologic map lithology pattern 646, for map and section drawings.
Kind: a repeated motif that does not fill the plane.
The download is one AutoCAD .pat file. Downloads are metered; a Hatchy Pro license lifts the limit.