About the Ripple-bedded subgraywacke, FGDC 656 hatch pattern
Ripple-bedded subgraywacke lithology symbol, wavy rows of dots and dashes. FGDC geologic map lithology pattern 656, 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.