About the Crossbedded sand or sandstone (1st option), FGDC 609 hatch pattern
Crossbedded sand or sandstone (1st option): curved fanning rows of fine dots. FGDC geologic map lithology pattern 609. 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.