Description: IMPACTS & CRASHES - ROCKS & SAND ROCK: EXT: Sparse gravel pour onto shale surface.

Description: IMPACTS & CRASHES - ROCKS & SAND ROCK: EXT: Gravel pour, small rocks sliding out of container, landing on other rocks.

Description: IMPACTS & CRASHES - ROCKS & SAND ROCK: EXT: Gravel pour, small rocks sliding out of container, landing on other rocks.

Description: IMPACTS & CRASHES - ROCKS & SAND ROCK: EXT: Gravel pour onto a board, resonant.

Description: IMPACTS & CRASHES - ROCKS & SAND ROCK: EXT: Light gravel pour.

Description: IMPACTS & CRASHES - ROCKS & SAND ROCK: EXT: Gravel pours, sparse start, heavy dump at end.

Description: IMPACTS & CRASHES - ROCKS & SAND ROCK: EXT: Gravel pours, close up.

Description: IMPACTS & CRASHES - ROCKS & SAND ROCK: EXT: Large rock slide, distant large residual slide, continued small rock slide.

Description: IMPACTS & CRASHES - ROCKS & SAND ROCK: EXT: Long medium rock slide, many rocks.

Description: IMPACTS & CRASHES - ROCKS & SAND ROCK: EXT: Small rock slide, many rocks, continued small rock fall, foliage debris.

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