1) Coats with flour 2) Deepens a channel 3) Deepens a waterway 4) Giant silt removers 5) Land-reclamation machines 6) Removes silt 7) Scoops up river sediment 8) Scrapes the bottom 9) Searches the river bottom 10) Sprinkles with flour Found on https://www.crosswordclues.com/clue/dredges
1) Coats with flour 2) Deepens a channel 3) Deepens a waterway 4) Giant silt removers 5) Land-reclamation machines 6) Removes silt 7) Scoops up river sediment 8) Scrapes the bottom 9) Searches the river bottom 10) Sprinkles with flour