About the Dolomitic shale, FGDC 622 hatch pattern
Dolomitic shale lithology symbol, horizontal dashes with slanted ticks. FGDC geologic map lithology pattern 622, 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.