Page Loading - Please Wait...
Groundwater levels for the Nation
Agency code = | usgs |
---|---|
site_no list = |
|
Minimum number of levels = | 1 |
Table of data |
Tab-separated data |
Graph of data |
Reselect period |
Date | Time |
Water-level date-time accuracy |
Parameter code | Water level, feet below land surface |
Water level, feet above specific vertical datum |
Referenced vertical datum |
Status |
Method of measurement |
Measuring agency |
Source of measurement |
Water-level approval status |
---|---|---|---|---|---|---|---|---|---|---|---|
1973-03-28 | D | 62610 |   | 46.98 | NGVD29 | 1 | S | USGS | S | A | |
1973-03-28 | D | 62611 |   | 46.13 | NAVD88 | 1 | S | USGS | S | A | |
1973-03-28 | D | 72019 | 6.27 |   |   | 1 | S | USGS | S | A | |
1975-09-15 | 20:22 UTC | m | 62610 |   | 48.02 | NGVD29 | 1 | S |   |   | A |
1975-09-15 | 20:22 UTC | m | 62611 |   | 47.17 | NAVD88 | 1 | S |   |   | A |
1975-09-15 | 20:22 UTC | m | 72019 | 5.23 |   |   | 1 | S |   |   | A |
1976-05-14 | 15:10 UTC | m | 62610 |   | 42.63 | NGVD29 | 1 | S |   |   | A |
1976-05-14 | 15:10 UTC | m | 62611 |   | 41.78 | NAVD88 | 1 | S |   |   | A |
1976-05-14 | 15:10 UTC | m | 72019 | 10.62 |   |   | 1 | S |   |   | A |
1976-09-08 | 12:45 UTC | m | 62610 |   | 46.38 | NGVD29 | 1 | S |   |   | A |
1976-09-08 | 12:45 UTC | m | 62611 |   | 45.53 | NAVD88 | 1 | S |   |   | A |
1976-09-08 | 12:45 UTC | m | 72019 | 6.87 |   |   | 1 | S |   |   | A |
1977-05-11 | 19:07 UTC | m | 62610 |   | 40.36 | NGVD29 | 1 | S |   |   | A |
1977-05-11 | 19:07 UTC | m | 62611 |   | 39.51 | NAVD88 | 1 | S |   |   | A |
1977-05-11 | 19:07 UTC | m | 72019 | 12.89 |   |   | 1 | S |   |   | A |
1977-09-21 | 20:20 UTC | m | 62610 |   | 47.93 | NGVD29 | 1 | S |   |   | A |
1977-09-21 | 20:20 UTC | m | 62611 |   | 47.08 | NAVD88 | 1 | S |   |   | A |
1977-09-21 | 20:20 UTC | m | 72019 | 5.32 |   |   | 1 | S |   |   | A |
1978-05-17 | 19:45 UTC | m | 62610 |   | 46.17 | NGVD29 | 1 | S |   |   | A |
1978-05-17 | 19:45 UTC | m | 62611 |   | 45.32 | NAVD88 | 1 | S |   |   | A |
1978-05-17 | 19:45 UTC | m | 72019 | 7.08 |   |   | 1 | S |   |   | A |
1978-09-26 | 19:10 UTC | m | 62610 |   | 45.13 | NGVD29 | 1 | S |   |   | A |
1978-09-26 | 19:10 UTC | m | 62611 |   | 44.28 | NAVD88 | 1 | S |   |   | A |
1978-09-26 | 19:10 UTC | m | 72019 | 8.12 |   |   | 1 | S |   |   | A |
1979-05-15 | 14:26 UTC | m | 62610 |   | 47.04 | NGVD29 | 1 | S |   |   | A |
1979-05-15 | 14:26 UTC | m | 62611 |   | 46.19 | NAVD88 | 1 | S |   |   | A |
1979-05-15 | 14:26 UTC | m | 72019 | 6.21 |   |   | 1 | S |   |   | A |
1979-09-18 | 14:45 UTC | m | 62610 |   | 48.60 | NGVD29 | 1 | S |   |   | A |
1979-09-18 | 14:45 UTC | m | 62611 |   | 47.75 | NAVD88 | 1 | S |   |   | A |
1979-09-18 | 14:45 UTC | m | 72019 | 4.65 |   |   | 1 | S |   |   | A |
1980-05-12 | 15:00 UTC | m | 62610 |   | 45.77 | NGVD29 | 1 | S |   |   | A |
1980-05-12 | 15:00 UTC | m | 62611 |   | 44.92 | NAVD88 | 1 | S |   |   | A |
1980-05-12 | 15:00 UTC | m | 72019 | 7.48 |   |   | 1 | S |   |   | A |
1981-09-22 | 16:54 UTC | m | 62610 |   | 48.58 | NGVD29 | 1 | S |   |   | A |
1981-09-22 | 16:54 UTC | m | 62611 |   | 47.73 | NAVD88 | 1 | S |   |   | A |
1981-09-22 | 16:54 UTC | m | 72019 | 4.67 |   |   | 1 | S |   |   | A |
1983-05-19 | 14:05 UTC | m | 62610 |   | 45.30 | NGVD29 | 1 | S |   |   | A |
1983-05-19 | 14:05 UTC | m | 62611 |   | 44.45 | NAVD88 | 1 | S |   |   | A |
1983-05-19 | 14:05 UTC | m | 72019 | 7.95 |   |   | 1 | S |   |   | A |
1983-09-13 | 16:32 UTC | m | 62610 |   | 47.90 | NGVD29 | 1 | S |   |   | A |
1983-09-13 | 16:32 UTC | m | 62611 |   | 47.05 | NAVD88 | 1 | S |   |   | A |
1983-09-13 | 16:32 UTC | m | 72019 | 5.35 |   |   | 1 | S |   |   | A |
1984-05-15 | 16:31 UTC | m | 62610 |   | 44.78 | NGVD29 | 1 | S |   |   | A |
1984-05-15 | 16:31 UTC | m | 62611 |   | 43.93 | NAVD88 | 1 | S |   |   | A |
1984-05-15 | 16:31 UTC | m | 72019 | 8.47 |   |   | 1 | S |   |   | A |
1984-09-11 | 15:09 UTC | m | 62610 |   | 45.84 | NGVD29 | 1 | S |   |   | A |
1984-09-11 | 15:09 UTC | m | 62611 |   | 44.99 | NAVD88 | 1 | S |   |   | A |
1984-09-11 | 15:09 UTC | m | 72019 | 7.41 |   |   | 1 | S |   |   | A |
1985-05-14 | 18:16 UTC | m | 62610 |   | 37.45 | NGVD29 | 1 | S |   |   | A |
1985-05-14 | 18:16 UTC | m | 62611 |   | 36.60 | NAVD88 | 1 | S |   |   | A |
1985-05-14 | 18:16 UTC | m | 72019 | 15.80 |   |   | 1 | S |   |   | A |
1985-09-10 | 17:21 UTC | m | 62610 |   | 48.16 | NGVD29 | 1 | S |   |   | A |
1985-09-10 | 17:21 UTC | m | 62611 |   | 47.31 | NAVD88 | 1 | S |   |   | A |
1985-09-10 | 17:21 UTC | m | 72019 | 5.09 |   |   | 1 | S |   |   | A |
1986-05-13 | 14:55 UTC | m | 62610 |   | 43.81 | NGVD29 | 1 | S |   |   | A |
1986-05-13 | 14:55 UTC | m | 62611 |   | 42.96 | NAVD88 | 1 | S |   |   | A |
1986-05-13 | 14:55 UTC | m | 72019 | 9.44 |   |   | 1 | S |   |   | A |
1986-09-15 | 19:10 UTC | m | 62610 |   | 48.21 | NGVD29 | 1 | S |   |   | A |
1986-09-15 | 19:10 UTC | m | 62611 |   | 47.36 | NAVD88 | 1 | S |   |   | A |
1986-09-15 | 19:10 UTC | m | 72019 | 5.04 |   |   | 1 | S |   |   | A |
1987-05-19 | 12:36 UTC | m | 62610 |   | 48.08 | NGVD29 | 1 | S |   |   | A |
1987-05-19 | 12:36 UTC | m | 62611 |   | 47.23 | NAVD88 | 1 | S |   |   | A |
1987-05-19 | 12:36 UTC | m | 72019 | 5.17 |   |   | 1 | S |   |   | A |
1987-09-14 | 15:30 UTC | m | 62610 |   | 46.31 | NGVD29 | 1 | S |   |   | A |
1987-09-14 | 15:30 UTC | m | 62611 |   | 45.46 | NAVD88 | 1 | S |   |   | A |
1987-09-14 | 15:30 UTC | m | 72019 | 6.94 |   |   | 1 | S |   |   | A |
1988-05-16 | 12:32 UTC | m | 62610 |   | 44.33 | NGVD29 | 1 | S |   |   | A |
1988-05-16 | 12:32 UTC | m | 62611 |   | 43.48 | NAVD88 | 1 | S |   |   | A |
1988-05-16 | 12:32 UTC | m | 72019 | 8.92 |   |   | 1 | S |   |   | A |
1988-09-19 | 12:15 UTC | m | 62610 |   | 48.18 | NGVD29 | 1 | S |   |   | A |
1988-09-19 | 12:15 UTC | m | 62611 |   | 47.33 | NAVD88 | 1 | S |   |   | A |
1988-09-19 | 12:15 UTC | m | 72019 | 5.07 |   |   | 1 | S |   |   | A |
1989-05-16 | 15:17 UTC | m | 62610 |   | 43.25 | NGVD29 | 1 | S |   |   | A |
1989-05-16 | 15:17 UTC | m | 62611 |   | 42.40 | NAVD88 | 1 | S |   |   | A |
1989-05-16 | 15:17 UTC | m | 72019 | 10.00 |   |   | 1 | S |   |   | A |
1989-09-12 | 18:40 UTC | m | 62610 |   | 45.20 | NGVD29 | 1 | S |   |   | A |
1989-09-12 | 18:40 UTC | m | 62611 |   | 44.35 | NAVD88 | 1 | S |   |   | A |
1989-09-12 | 18:40 UTC | m | 72019 | 8.05 |   |   | 1 | S |   |   | A |
1990-05-16 | 12:50 UTC | m | 62610 |   | 41.35 | NGVD29 | 1 | S |   |   | A |
1990-05-16 | 12:50 UTC | m | 62611 |   | 40.50 | NAVD88 | 1 | S |   |   | A |
1990-05-16 | 12:50 UTC | m | 72019 | 11.90 |   |   | 1 | S |   |   | A |
1990-09-11 | 15:42 UTC | m | 62610 |   | 45.05 | NGVD29 | 1 | S |   |   | A |
1990-09-11 | 15:42 UTC | m | 62611 |   | 44.20 | NAVD88 | 1 | S |   |   | A |
1990-09-11 | 15:42 UTC | m | 72019 | 8.20 |   |   | 1 | S |   |   | A |
1991-05-13 | 21:40 UTC | m | 62610 |   | 42.07 | NGVD29 | 1 | S |   |   | A |
1991-05-13 | 21:40 UTC | m | 62611 |   | 41.22 | NAVD88 | 1 | S |   |   | A |
1991-05-13 | 21:40 UTC | m | 72019 | 11.18 |   |   | 1 | S |   |   | A |
1991-09-09 | 20:15 UTC | m | 62610 |   | 45.94 | NGVD29 | 1 | S |   |   | A |
1991-09-09 | 20:15 UTC | m | 62611 |   | 45.09 | NAVD88 | 1 | S |   |   | A |
1991-09-09 | 20:15 UTC | m | 72019 | 7.31 |   |   | 1 | S |   |   | A |
1992-05-12 | 16:40 UTC | m | 62610 |   | 41.77 | NGVD29 | 1 | S |   |   | A |
1992-05-12 | 16:40 UTC | m | 62611 |   | 40.92 | NAVD88 | 1 | S |   |   | A |
1992-05-12 | 16:40 UTC | m | 72019 | 11.48 |   |   | 1 | S |   |   | A |
1992-09-14 | 15:45 UTC | m | 62610 |   | 46.70 | NGVD29 | 1 | S |   |   | A |
1992-09-14 | 15:45 UTC | m | 62611 |   | 45.85 | NAVD88 | 1 | S |   |   | A |
1992-09-14 | 15:45 UTC | m | 72019 | 6.55 |   |   | 1 | S |   |   | A |
1993-05-20 | 16:30 UTC | m | 62610 |   | 43.53 | NGVD29 | 1 | S |   |   | A |
1993-05-20 | 16:30 UTC | m | 62611 |   | 42.68 | NAVD88 | 1 | S |   |   | A |
1993-05-20 | 16:30 UTC | m | 72019 | 9.72 |   |   | 1 | S |   |   | A |
1993-09-14 | 19:20 UTC | m | 62610 |   | 44.84 | NGVD29 | 1 | S |   |   | A |
1993-09-14 | 19:20 UTC | m | 62611 |   | 43.99 | NAVD88 | 1 | S |   |   | A |
1993-09-14 | 19:20 UTC | m | 72019 | 8.41 |   |   | 1 | S |   |   | A |
1994-05-25 | 11:50 UTC | m | 62610 |   | 40.72 | NGVD29 | 1 | S |   |   | A |
1994-05-25 | 11:50 UTC | m | 62611 |   | 39.87 | NAVD88 | 1 | S |   |   | A |
1994-05-25 | 11:50 UTC | m | 72019 | 12.53 |   |   | 1 | S |   |   | A |
1994-09-16 | 15:40 UTC | m | 62610 |   | 46.72 | NGVD29 | 1 | S |   |   | A |
1994-09-16 | 15:40 UTC | m | 62611 |   | 45.87 | NAVD88 | 1 | S |   |   | A |
1994-09-16 | 15:40 UTC | m | 72019 | 6.53 |   |   | 1 | S |   |   | A |
1995-05-26 | 16:00 UTC | m | 62610 |   | 42.04 | NGVD29 | 1 | S |   |   | A |
1995-05-26 | 16:00 UTC | m | 62611 |   | 41.19 | NAVD88 | 1 | S |   |   | A |
1995-05-26 | 16:00 UTC | m | 72019 | 11.21 |   |   | 1 | S |   |   | A |
1996-05-22 | 16:08 UTC | m | 62610 |   | 43.96 | NGVD29 | 1 | S |   |   | A |
1996-05-22 | 16:08 UTC | m | 62611 |   | 43.11 | NAVD88 | 1 | S |   |   | A |
1996-05-22 | 16:08 UTC | m | 72019 | 9.29 |   |   | 1 | S |   |   | A |
1996-09-11 | 19:30 UTC | m | 62610 |   | 43.44 | NGVD29 | 1 | S |   |   | A |
1996-09-11 | 19:30 UTC | m | 62611 |   | 42.59 | NAVD88 | 1 | S |   |   | A |
1996-09-11 | 19:30 UTC | m | 72019 | 9.81 |   |   | 1 | S |   |   | A |
1997-05-15 | 16:25 UTC | m | 62610 |   | 41.82 | NGVD29 | 1 | S |   |   | A |
1997-05-15 | 16:25 UTC | m | 62611 |   | 40.97 | NAVD88 | 1 | S |   |   | A |
1997-05-15 | 16:25 UTC | m | 72019 | 11.43 |   |   | 1 | S |   |   | A |
1997-09-10 | 19:18 UTC | m | 62610 |   | 45.17 | NGVD29 | 1 | S |   |   | A |
1997-09-10 | 19:18 UTC | m | 62611 |   | 44.32 | NAVD88 | 1 | S |   |   | A |
1997-09-10 | 19:18 UTC | m | 72019 | 8.08 |   |   | 1 | S |   |   | A |
1998-05-20 | 16:45 UTC | m | 62610 |   | 41.86 | NGVD29 | 1 | S |   |   | A |
1998-05-20 | 16:45 UTC | m | 62611 |   | 41.01 | NAVD88 | 1 | S |   |   | A |
1998-05-20 | 16:45 UTC | m | 72019 | 11.39 |   |   | 1 | S |   |   | A |
1998-09-14 | 17:45 UTC | m | 62610 |   | 46.65 | NGVD29 | 1 | S |   |   | A |
1998-09-14 | 17:45 UTC | m | 62611 |   | 45.80 | NAVD88 | 1 | S |   |   | A |
1998-09-14 | 17:45 UTC | m | 72019 | 6.60 |   |   | 1 | S |   |   | A |
1999-09-16 | 13:47 UTC | m | 62610 |   | 43.55 | NGVD29 | 1 | G |   |   | A |
1999-09-16 | 13:47 UTC | m | 62611 |   | 42.70 | NAVD88 | 1 | G |   |   | A |
1999-09-16 | 13:47 UTC | m | 72019 | 9.70 |   |   | 1 | G |   |   | A |
2002-05-14 | 13:02 UTC | m | 62610 |   | 38.69 | NGVD29 | 1 | S | USGS | S | A |
2002-05-14 | 13:02 UTC | m | 62611 |   | 37.84 | NAVD88 | 1 | S | USGS | S | A |
2002-05-14 | 13:02 UTC | m | 72019 | 14.56 |   |   | 1 | S | USGS | S | A |
2002-09-18 | 16:50 UTC | m | 62610 |   | 46.37 | NGVD29 | 1 | S | USGS | S | A |
2002-09-18 | 16:50 UTC | m | 62611 |   | 45.52 | NAVD88 | 1 | S | USGS | S | A |
2002-09-18 | 16:50 UTC | m | 72019 | 6.88 |   |   | 1 | S | USGS | S | A |
2003-05-22 | 14:04 UTC | m | 62610 |   | 42.94 | NGVD29 | 1 | S | USGS | S | A |
2003-05-22 | 14:04 UTC | m | 62611 |   | 42.09 | NAVD88 | 1 | S | USGS | S | A |
2003-05-22 | 14:04 UTC | m | 72019 | 10.31 |   |   | 1 | S | USGS | S | A |
2003-09-18 | 18:30 UTC | m | 62610 |   | 45.44 | NGVD29 | 1 | S | USGS | S | A |
2003-09-18 | 18:30 UTC | m | 62611 |   | 44.59 | NAVD88 | 1 | S | USGS | S | A |
2003-09-18 | 18:30 UTC | m | 72019 | 7.81 |   |   | 1 | S | USGS | S | A |
2004-05-20 | 16:30 UTC | m | 62610 |   | 42.19 | NGVD29 | 1 | S | USGS | S | A |
2004-05-20 | 16:30 UTC | m | 62611 |   | 41.34 | NAVD88 | 1 | S | USGS | S | A |
2004-05-20 | 16:30 UTC | m | 72019 | 11.06 |   |   | 1 | S | USGS | S | A |
2004-09-21 | 18:27 UTC | m | 62610 |   | 46.87 | NGVD29 | 1 | S | USGS | S | A |
2004-09-21 | 18:27 UTC | m | 62611 |   | 46.02 | NAVD88 | 1 | S | USGS | S | A |
2004-09-21 | 18:27 UTC | m | 72019 | 6.38 |   |   | 1 | S | USGS | S | A |
2005-05-27 | 15:57 UTC | m | 62610 |   | 41.48 | NGVD29 | 1 | S | USGS | S | A |
2005-05-27 | 15:57 UTC | m | 62611 |   | 40.63 | NAVD88 | 1 | S | USGS | S | A |
2005-05-27 | 15:57 UTC | m | 72019 | 11.77 |   |   | 1 | S | USGS | S | A |
2005-09-21 | 12:49 UTC | m | 62610 |   | 44.86 | NGVD29 | 1 | S | USGS | S | A |
2005-09-21 | 12:49 UTC | m | 62611 |   | 44.01 | NAVD88 | 1 | S | USGS | S | A |
2005-09-21 | 12:49 UTC | m | 72019 | 8.39 |   |   | 1 | S | USGS | S | A |
2006-05-17 | 19:23 UTC | m | 62610 |   | 40.17 | NGVD29 | 1 | S | USGS | S | A |
2006-05-17 | 19:23 UTC | m | 62611 |   | 39.32 | NAVD88 | 1 | S | USGS | S | A |
2006-05-17 | 19:23 UTC | m | 72019 | 13.08 |   |   | 1 | S | USGS | S | A |
2006-09-19 | 13:35 UTC | m | 62610 |   | 44.86 | NGVD29 | 1 | S | USGS | S | A |
2006-09-19 | 13:35 UTC | m | 62611 |   | 44.01 | NAVD88 | 1 | S | USGS | S | A |
2006-09-19 | 13:35 UTC | m | 72019 | 8.39 |   |   | 1 | S | USGS | S | A |
2007-05-21 | 12:50 UTC | m | 62610 |   | 38.43 | NGVD29 | 1 | S | USGS | S | A |
2007-05-21 | 12:50 UTC | m | 62611 |   | 37.58 | NAVD88 | 1 | S | USGS | S | A |
2007-05-21 | 12:50 UTC | m | 72019 | 14.82 |   |   | 1 | S | USGS | S | A |
2007-09-20 | 17:35 UTC | m | 62610 |   | 44.13 | NGVD29 | 1 | S | USGS | S | A |
2007-09-20 | 17:35 UTC | m | 62611 |   | 43.28 | NAVD88 | 1 | S | USGS | S | A |
2007-09-20 | 17:35 UTC | m | 72019 | 9.12 |   |   | 1 | S | USGS | S | A |
2008-05-22 | 12:50 UTC | m | 62610 |   | 41.75 | NGVD29 | 1 | S | USGS | S | A |
2008-05-22 | 12:50 UTC | m | 62611 |   | 40.90 | NAVD88 | 1 | S | USGS | S | A |
2008-05-22 | 12:50 UTC | m | 72019 | 11.50 |   |   | 1 | S | USGS | S | A |
2008-09-19 | 14:30 UTC | m | 62610 |   | 44.05 | NGVD29 | 1 | S | USGS | S | A |
2008-09-19 | 14:30 UTC | m | 62611 |   | 43.20 | NAVD88 | 1 | S | USGS | S | A |
2008-09-19 | 14:30 UTC | m | 72019 | 9.20 |   |   | 1 | S | USGS | S | A |
2009-05-18 | 12:41 UTC | m | 62610 |   | 37.84 | NGVD29 | 1 | S | USGS | S | A |
2009-05-18 | 12:41 UTC | m | 62611 |   | 36.99 | NAVD88 | 1 | S | USGS | S | A |
2009-05-18 | 12:41 UTC | m | 72019 | 15.41 |   |   | 1 | S | USGS | S | A |
2009-09-23 | 14:10 UTC | m | 62610 |   | 46.58 | NGVD29 | 1 | S | USGS | S | A |
2009-09-23 | 14:10 UTC | m | 62611 |   | 45.73 | NAVD88 | 1 | S | USGS | S | A |
2009-09-23 | 14:10 UTC | m | 72019 | 6.67 |   |   | 1 | S | USGS | S | A |
2010-05-17 | 12:07 UTC | m | 62610 |   | 44.24 | NGVD29 | 1 | S | USGS | S | A |
2010-05-17 | 12:07 UTC | m | 62611 |   | 43.39 | NAVD88 | 1 | S | USGS | S | A |
2010-05-17 | 12:07 UTC | m | 72019 | 9.01 |   |   | 1 | S | USGS | S | A |
2010-09-13 | 12:52 UTC | m | 62610 |   | 45.43 | NGVD29 | 1 | S | USGS | S | A |
2010-09-13 | 12:52 UTC | m | 62611 |   | 44.58 | NAVD88 | 1 | S | USGS | S | A |
2010-09-13 | 12:52 UTC | m | 72019 | 7.82 |   |   | 1 | S | USGS | S | A |
2011-05-23 | 12:45 UTC | m | 62610 |   | 41.53 | NGVD29 | 1 | S | USGS | S | A |
2011-05-23 | 12:45 UTC | m | 62611 |   | 40.68 | NAVD88 | 1 | S | USGS | S | A |
2011-05-23 | 12:45 UTC | m | 72019 | 11.72 |   |   | 1 | S | USGS | S | A |
2011-09-12 | 12:11 UTC | m | 62610 |   | 45.22 | NGVD29 | 1 | S | USGS | S | A |
2011-09-12 | 12:11 UTC | m | 62611 |   | 44.37 | NAVD88 | 1 | S | USGS | S | A |
2011-09-12 | 12:11 UTC | m | 72019 | 8.03 |   |   | 1 | S | USGS | S | A |
Section | Code | Description |
---|---|---|
Water-level date-time accuracy | D | Date is accurate to the Day |
Water-level date-time accuracy | m | Date is accurate to the Minute |
Parameter code | 62610 | Groundwater level above NGVD 1929, feet |
Parameter code | 62611 | Groundwater level above NAVD 1988, feet |
Parameter code | 72019 | Depth to water level, feet below land surface |
Referenced vertical datum | NAVD88 | North American Vertical Datum of 1988 |
Referenced vertical datum | NGVD29 | National Geodetic Vertical Datum of 1929 |
Status | 1 | Static |
Method of measurement | G | Pressure-gage measurement. |
Method of measurement | S | Steel-tape measurement. |
Measuring agency | Not determined | |
Measuring agency | USGS | U.S. Geological Survey |
Source of measurement | Not determined | |
Source of measurement | S | Measured by personnel of reporting agency. |
Water-level approval status | A | Approved for publication -- Processing and review completed. |