Even 3" limestone is sorta difficult to walk on. That's railroad ballast size (the size that is used round railroad tracks and ties). But it's still a LOT easier to walk on vs. washed river rock, which is round and rolls under your feet.

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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).