41. The surficial geology along Rattlesnake Creek near its mouth mainly consists of alluvium . 42. There is also an area of alluvium at the mouth of the creek. 43. However, a small patch of alluvium is also present in this reach. 44. Slightly further upstream, the surficial geology mainly consists of alluvium and bedrock. 45. The surficial geology along the lower reaches of Newton Run consists of alluvium . 46. The surficial geology near the mouth of Oxbow Creek mainly consists of alluvium . 47. This alluvium builds up to form the river delta. 48. The shrub grows in sandy alluvium especially along watercourses. 49. The soil consists of several metres of alluvium or silt deposited by the Seine. 50. West Bay is sited on deposits of river alluvium that indicate a former estuary.
