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Columbia River Basalt Stratigraphy in Oregon

In Cooperation with the Oregon Water Resources Department

Data for sites in Eastern Columbia River Basin

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Stratigraphy

Importance of Understanding CRBG Stratigraphy

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Well Log ID USGS Site ID Location Depth to
Bottom
of Hole		 Date of
Construction		 Logged by Date Logged Land
Surface
Elevation
MORR 409 453549119360001 01N/26E-05BCC 625 10/27/1991 T. L. Tolan -- 1126
MORR 563 453732119260401 02N/27E-28ADD 861 03/20/2002 -- -- 982
MORR 1526 455048119400701 04N/25E-10ADB 900 02/01/1991 T. L. Tolan -- 272
MORR 1558 454914119465901 04N/24E-23BAB 78 11/27/1991 -- -- 336
MORR 50621 453651119483001 02N/24E-34BCB 902 12/08/1998 T. L. Tolan -- 985
MORR 50765 453034119390501 01S/25E-01CAB 1365 07/17/2000 -- -- 1370
MORR 50783 454352119522201 03N/24E-24DAD 750 07/20/2000 T. L. Tolan -- 605
MORR 50791 454251119541201 03N/23E-26ACB 815 09/12/2000 T. L. Tolan -- 643
MORR 50799 452640119494801 01S/24E-28CDD 1180 10/27/2000 -- -- 1635
MORR 50818 453011119384701 01S/25E-01DCC 693 02/14/2001 T. L. Tolan 12/00/2001 1470
MORR 50821 454355119522201 03N/24E-24AAD 775 01/09/2001 T. L. Tolan -- 600
MORR 50828 454251119535501 03N/23E-26ADB 835 11/01/2000 T. L. Tolan -- 655
MORR 51102 452648119463401 01S/24E-25CCA 425 12/23/2002 T. L. Tolan 03/20/2003 1350
MORR 51237 454240119552801 03N/23E-27DBB 980 05/07/2004 T. L. Tolan -- 635
UMAT 463 453721119255801 02N/27E-27CBC 430 08/26/2000 -- -- 996
UMAT 911 454013118412401 02N/33E-09ACA2 300 08/20/1986 T. L. Tolan -- 1203
UMAT 1232 454214119164901 03N/28E-35BAA 1810 04/03/1995 -- -- 770
UMAT 5331 454602118340801 03N/34E-04DBB 1725 09/16/1989 -- -- 1580
UMAT 5351 455115118393201 04N/33E-02CBD 1296 11/14/1989 T. L. Tolan -- 1810
UMAT 5589 455017119200401 04N/28E-08DDB 250 09/10/1991 T. L. Tolan -- 490
UMAT 5610 455329119185101 05N/28E-28ABC 225 12/02/1991 -- -- 545
UMAT 5735 455021119165401 04N/28E-11CAD2 1206 09/10/1992 T. L. Tolan 00/00/2001 448
UMAT 5769 455223119135401 05N/29E-31ACC 200 11/12/1992 -- -- 462
UMAT 5820 455419119243601 05N/27E-23BBC 255 03/17/1993 T. L. Tolan -- 385
UMAT 5929 454001118405901 02N/33E-09DAA3 1057 10/26/1993 -- -- 1215
UMAT 5930 454005118384301 02N/33E-11ADC4 1100 10/26/1993 -- -- 1277
UMAT 5970 454445119105901 03N/29E-16AAD2 1282 01/07/1994 -- -- 800
UMAT 6225 455336119145301 05N/28E-24DDC 765 07/20/1994 -- -- 460
UMAT 6283 455706118251601 06N/35E-34DBC 1003 10/19/1994 T. L. Tolan 12/00/2001 910
UMAT 50143 455013119200501 04N/28E-08DDCB3 506 03/21/1996 -- -- 495
UMAT 53456 453859118401901 02N/33E-15DBC1 975 05/03/1999 -- -- 1434
UMAT 53890 454014118510301 02N/32E-07ADB1 433 02/24/2000 T. L. Tolan -- 1150
UMAT 54072 454014118510302 02N/32E-07ADB2 1086 01/09/2001 -- -- 1150
UMAT 54259 452957118441001 01S/33E-07BBB 230 04/24/2001 -- -- 1770
UMAT 54277 455007118104501 04N/37E-10CAD 400 05/14/2001 T. L. Tolan -- 1990
UMAT 54285 455444118221001 05N/36E-18BCB 203 06/28/2001 T. L. Tolan -- 1145
UMAT 54464 455722118242501 06N/35E-35BDC 1005 01/14/2002 -- -- 928
UMAT 54524 455817118241201 06N/35E-26BDA 438 03/01/2002 T. L. Tolan -- 870
UMAT 54546 453520118452501 01N/32E-01CAC 385 06/21/2002 -- -- 1398
UMAT 54639 455835118344501 06N/34E-29AAA 1001 04/02/2002 T. L. Tolan -- 600
UMAT 54686 455653118244901 06N/35E-34DDD 279 08/13/2002 T. L. Tolan -- 938
UMAT 54846 454924119051301 04N/30E-17DCB1 1146 05/12/2003 T. L. Tolan -- 843
UMAT 54913 454927119051401 04N/30E-17DCB2 1190 09/05/2003 T. L. Tolan 09/09/2004 832
UMAT 55167 455634118253601 05N/35E-03BDB 421 05/06/2004 T. L. Tolan -- 918
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