About the Till or diamicton (3rd option), FGDC 683 hatch pattern
Till or diamicton (3rd option) lithology symbol, scattered dots, ovals and dashes. FGDC geologic map lithology pattern 683, 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.