Public Boring Logs & Geotechnical Data by Place

Geosetta holds 2,137,989 public boring logs, CPT soundings and scanned geotechnical reports collected from US state DOTs, national geological surveys and other public agencies. Pick a state or country to see how many logs are available there, where they came from, and to open the map at that location.

United States

StateBoring logsDigitizedPDF onlyMain sources
Florida 169,311 815 168,496 Florida DOT (FDOT), Public reports collected by web crawl
Washington 151,928 5,462 146,466 Washington Geological Survey, Washington State DOT (WSDOT)
North Carolina 99,630 428 99,202 North Carolina DOT (NCDOT), Public reports collected by web crawl
Ohio 78,319 51,215 27,104 Ohio DOT (ODOT), Public reports collected by web crawl
Oregon 61,119 54,613 6,506 Oregon DOT (ODOT), City of Portland (BDS)
New Jersey 49,418 45,882 3,536 New Jersey DOT (NJDOT), Public reports collected by web crawl
California 44,538 5,085 39,453 Caltrans, LA County Public Works (GMED)
Minnesota 31,944 31,502 442 Minnesota DOT (MnDOT), Public reports collected by web crawl
Kentucky 29,161 6,317 22,844 Kentucky Transportation Cabinet (KYTC), Public reports collected by web crawl
Virginia 22,082 19,649 2,433 Virginia DOT (VDOT), Public reports collected by web crawl
Utah 22,012 3,981 18,031 State of Utah, Utah DOT (UDOT)
New York 12,248 8,892 3,356 LogitEasy (contributed), Public reports collected by web crawl
Wisconsin 11,827 7,945 3,882 Wisconsin DOT (WisDOT), Public reports collected by web crawl
Maryland 11,818 11,396 422 Maryland DOT (MDOT), Public reports collected by web crawl
Illinois 10,394 7,715 2,679 Illinois State Geological Survey (ISGS), Public reports collected by web crawl
Texas 8,167 6,542 1,625 Public reports collected by web crawl, Texas DOT (TxDOT)
Missouri 6,632 6,340 292 Missouri DOT (MoDOT), St. Louis County
Alabama 6,440 4,273 2,167 Alabama DOT (ALDOT), Public reports collected by web crawl
Montana 6,400 6,285 115 Montana DOT (MDT), Public reports collected by web crawl
Alaska 6,301 5,982 319 Alaska Division of Geological & Geophysical Surveys, Public reports collected by web crawl
Kansas 5,721 4,724 997 Kansas DOT (KDOT), Public reports collected by web crawl
Colorado 5,699 5,323 376 City and County of Denver, Public reports collected by web crawl
Pennsylvania 5,242 4,782 460 Philadelphia Water Department, Pennsylvania DOT (PennDOT)
South Dakota 4,492 166 4,326 South Dakota DOT (SDDOT), Public reports collected by web crawl
Michigan 3,336 2,916 420 Michigan DOT (MDOT), Public reports collected by web crawl
South Carolina 2,452 2,004 448 Public reports collected by web crawl, South Carolina DOT (SCDOT)
Oklahoma 2,344 1,479 865 Oklahoma DOT (ODOT), Public reports collected by web crawl
Nebraska 2,296 1,892 404 University of Nebraska–Lincoln, Public reports collected by web crawl
Maine 2,291 52 2,239 Public reports collected by web crawl
Delaware 1,970 1,703 267 Delaware DOT (DelDOT), Public reports collected by web crawl
Arkansas 1,917 1,449 468 Arkansas DOT (ARDOT), Public reports collected by web crawl
Iowa 1,549 1,076 473 Public reports collected by web crawl, Iowa DOT
Georgia 1,525 825 700 Public reports collected by web crawl, Georgia DOT (GDOT)
New Mexico 1,345 896 449 Public reports collected by web crawl, NMDOT
Arizona 1,186 959 227 Public reports collected by web crawl, Caltrans
Tennessee 1,016 646 370 Public reports collected by web crawl, Tennessee DOT (TDOT)
North Dakota 876 710 166 Public reports collected by web crawl, USGS CPT program
Connecticut 828 600 228 Connecticut DOT (CTDOT), Public reports collected by web crawl
Louisiana 827 592 235 Public reports collected by web crawl, DIGGS sample files
Nevada 771 616 155 Public reports collected by web crawl, Caltrans
West Virginia 766 501 265 West Virginia DOT (WVDOT), Public reports collected by web crawl
Indiana 714 469 245 Public reports collected by web crawl, Illinois State Geological Survey (ISGS)
Massachusetts 663 197 466 Public reports collected by web crawl, Connecticut DOT (CTDOT)
Mississippi 514 185 329 Public reports collected by web crawl, USGS CPT program
District of Columbia 466 59 407 District DOT (DDOT), Public reports collected by web crawl
Vermont 450 25 425 Public reports collected by web crawl
Idaho 313 189 124 Public reports collected by web crawl, Montana DOT (MDT)

Outside the United States

RegionBoring logsDigitizedPDF onlyMain sources
Norway 596,940 596,940 0 NADAG – Geological Survey of Norway
Netherlands 249,645 249,632 13 BRO – Netherlands Key Register of the Subsurface
Japan 197,739 197,739 0 KuniJiban (Japan PWRI)
Ontario (Canada) 84,386 74,943 9,443 Ontario Geological Survey (OGS), Ontario Ministry of Transportation (MTO)
United Kingdom 63,503 63,503 0 British Geological Survey (NGDC)
Ireland 43,146 0 43,146 Geological Survey Ireland (GSI)
Denmark 11,372 11,372 0 GEUS – Geological Survey of Denmark and Greenland (Jupiter)

"Digitized" logs carry SPT blow counts, soil descriptions or CPT readings you can query; "PDF only" logs are scanned reports you can open and download. States with fewer than 300 logs are not listed yet. Counts refreshed 23 September 2026. New to boring logs? See real example boring logs with a guide to reading them. All data is subject to the Geosetta terms and disclaimer.