About the Volcanic breccia or agglomerate, FGDC 715 hatch pattern
Volcanic breccia or agglomerate: angular fragments, some hatched, among dots. FGDC geologic map lithology pattern 715. Redrawn from the USGS chart.
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.