Scientific Investigations Report 2007–5009

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5009

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Table 1. Proportions and mean lengths of hydrofacies used in local model, San Joaquin local study area, California.

[Due to rounding, sum of proportions do not equal 1.0]

Geologic age Hydrofacies Proportion Mean length, in meters
X Y Z
Holocene Silt 0.24 80 100 1.26
Silty sand 0.46 60 100 1.18
Sand 0.31 40 160 0.93
Pleistocene Clay 0.37 395 184 1.78
Silt 0.20 185 116 0.92
Silty sand 0.23 274 137 1.37
Sand 0.21 191 72 0.96

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