Qgcc2
Gravel, coarse cobble and boulder (>125mm), with patches of sand
Qaf
Artificial fill rock
Qcrc
Cobble riffle in low-flow channel
Qts1
Sand and gravel deposits of the first (lowest) terrace
Qgcc3
Gravel, coarse cobble and boulder (>125mm), with patches of silt
Qsf
Sand, floodplain bench deposit
Qts2
Sand and gravel deposits of the second terrace
Qgpc
Gravel, coarse pebble (20-64mm)
Qgcc1
Gravel, coarse cobble and boulder (>125mm), with little fines
Qsc
Sand, sloping channel flank deposit
Qcp
Low-flow channel pool
Qcpb
Low-flow channel pool with emergent boulders
Qcrb
Boulder riffle in low-flow channel
Qgpf
Gravel, fine pebble (2-20mm)
Qgcf
Gravel, fine cobble (64-125mm)
Qci
Channel bed beneath impounded reservoirs
Qts3
Sand and gravel deposits of the third terrace
Qcb
Channel scoured bedrock