Filling in a hole, in a field: Shabbat 73b, 81b
Digging a groove: Shabbat 73b
Digging a hole, where one needs the dirt: Shabbat 73b; Beitzah 8a-b
Digging in different types of earth: Beitzah 7b-8b
Placing a cooked item in a pit; one may come to even out holes: Shabbat 146b
Sweeping a trough: Shabbat 140b
Scraping clay from one's foot: Shabbat 141a
Dragging a heavy item, creating a groove: Pesachim 101a
Pruning of various types: Shabbat 103a