Scientific Investigations Report 2007–5044
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5044
Table 2. Estimated transmission time for precipitation infiltration to travel from base of root zone to water table, Spokane Valley-Rathdrum Prairie aquifer, Washington and Idaho.
Depth from land surface to water table (feet) |
Transmission time (months) |
---|---|
0 - 40 | 0 |
40 - 120 | 1 |
120 - 200 | 2 |
200 - 280 | 3 |
280 - 360 | 4 |
360 - 440 | 5 |