Public Boring Logs & Geotechnical Data by Place

Geosetta holds 2,313,823 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
Washington 195,308 48,756 146,552 Washington Geological Survey, City of Seattle (EDMS)
Florida 171,292 10,595 160,697 Florida DOT (FDOT), Public reports collected by web crawl
Ohio 81,008 74,098 6,910 Ohio DOT (ODOT), Public reports collected by web crawl
Oregon 72,840 66,346 6,494 Oregon DOT (ODOT), City of Portland (BDS)
North Carolina 66,211 3,204 63,007 North Carolina DOT (NCDOT), Public reports collected by web crawl
California 60,228 37,217 23,011 Public reports collected by web crawl, Caltrans
New Jersey 51,504 49,076 2,428 New Jersey DOT (NJDOT), Public reports collected by web crawl
New York 42,538 39,117 3,421 Public reports collected by web crawl, LogitEasy (contributed)
Minnesota 35,046 34,601 445 Minnesota DOT (MnDOT), Public reports collected by web crawl
Wisconsin 32,217 28,342 3,875 Wisconsin DOT (WisDOT), Public reports collected by web crawl
Kentucky 27,067 8,918 18,149 Kentucky Transportation Cabinet (KYTC), Public reports collected by web crawl
Virginia 26,090 24,383 1,707 Virginia DOT (VDOT), Public reports collected by web crawl
Utah 24,813 6,789 18,024 Utah DOT (UDOT), State of Utah
Illinois 22,839 20,795 2,044 Chicago DOT (CDOT), Public reports collected by web crawl
Texas 19,673 17,873 1,800 Texas DOT (TxDOT), Public reports collected by web crawl
Maryland 14,206 13,783 423 Maryland DOT (MDOT), Public reports collected by web crawl
Alabama 9,766 7,599 2,167 Public reports collected by web crawl, Alabama DOT (ALDOT)
Alaska 7,999 7,681 318 Alaska Division of Geological & Geophysical Surveys, Public reports collected by web crawl
Missouri 7,622 7,329 293 Missouri DOT (MoDOT), St. Louis County
Pennsylvania 7,384 6,924 460 Public reports collected by web crawl, Philadelphia Water Department
Kansas 7,343 6,387 956 Kansas DOT (KDOT), Public reports collected by web crawl
Colorado 7,148 6,771 377 City and County of Denver, Public reports collected by web crawl
Maine 7,110 4,872 2,238 Public reports collected by web crawl
Montana 6,909 6,793 116 Montana DOT (MDT), Public reports collected by web crawl
Michigan 6,737 6,324 413 Public reports collected by web crawl, Michigan DOT (MDOT)
Oklahoma 5,863 5,000 863 Oklahoma DOT (ODOT), Public reports collected by web crawl
South Dakota 4,818 492 4,326 South Dakota DOT (SDDOT), Public reports collected by web crawl
Arkansas 3,477 3,008 469 Public reports collected by web crawl, Arkansas DOT (ARDOT)
Georgia 3,420 2,721 699 Public reports collected by web crawl, Georgia DOT (GDOT)
Massachusetts 3,360 2,883 477 Public reports collected by web crawl, Connecticut DOT (CTDOT)
South Carolina 3,181 2,827 354 Public reports collected by web crawl, South Carolina DOT (SCDOT)
Indiana 3,167 2,914 253 Public reports collected by web crawl, Illinois State Geological Survey (ISGS)
New Mexico 3,040 2,589 451 Public reports collected by web crawl, NMDOT
Delaware 2,990 2,735 255 Delaware DOT (DelDOT), Public reports collected by web crawl
Iowa 2,933 2,460 473 Public reports collected by web crawl, Iowa DOT
Connecticut 2,847 2,617 230 Public reports collected by web crawl, Connecticut DOT (CTDOT)
Nebraska 2,623 2,220 403 University of Nebraska–Lincoln, Public reports collected by web crawl
Arizona 2,496 2,273 223 Public reports collected by web crawl, Caltrans
Tennessee 1,988 1,620 368 Public reports collected by web crawl, Tennessee DOT (TDOT)
Vermont 1,950 1,516 434 Public reports collected by web crawl
Louisiana 1,838 1,601 237 Public reports collected by web crawl, DIGGS sample files
Nevada 1,781 1,626 155 Public reports collected by web crawl, Caltrans
West Virginia 1,500 1,243 257 Public reports collected by web crawl, West Virginia DOT (WVDOT)
North Dakota 1,286 1,122 164 Public reports collected by web crawl, USGS CPT program
Mississippi 1,246 915 331 Public reports collected by web crawl, USGS CPT program
Rhode Island 1,107 1,007 100 Public reports collected by web crawl
New Hampshire 997 868 129 Public reports collected by web crawl
District of Columbia 835 428 407 Public reports collected by web crawl, District DOT (DDOT)
Idaho 504 380 124 Public reports collected by web crawl, Montana DOT (MDT)
Wyoming 372 308 64 Public reports collected by web crawl, South Dakota DOT (SDDOT)

Outside the United States

RegionBoring logsDigitizedPDF onlyMain sources
Norway 594,989 594,989 0 NADAG – Geological Survey of Norway
Netherlands 249,645 249,632 13 BRO – Netherlands Key Register of the Subsurface
Japan 195,605 195,605 0 KuniJiban (Japan PWRI)
Ontario (Canada) 84,386 74,943 9,443 Ontario Geological Survey (OGS), Ontario Ministry of Transportation (MTO)
United Kingdom 63,605 63,605 0 British Geological Survey (NGDC)
Ireland 43,704 558 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 18 October 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.