Table 1 Use-zones and total use-damaged anvils by location, Bennett Slough Culverts (BSC) site. Note that one anvil may have multiple used zones, so the number of use-zones exceeds that of anvils.

From: Wild sea otter mussel pounding leaves archaeological traces

Use-zone

BSC North

BSC South

Total

Highest surface

40

35

75

Upper half, facing water

26

24

50

Lower half, facing water

0

3

3

Upper half, landward

0

2

2

Lower half, landward

0

0

0

Total use-zones

66

64

130

Total anvils

40

37

77

Total undamaged

148

196

344

Total rocks at BSC

188

233

421