About the Silt, siltstone, or shaly silt, FGDC 616 hatch pattern
Silt, siltstone, or shaly silt lithology symbol, rows of fine dots and horizontal dashes. FGDC geologic map lithology pattern 616, 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.