Public Boring Logs & Geotechnical Data by Place

Geosetta holds 2,114,027 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 168,718 796 167,922 Florida DOT (FDOT), Public reports collected by web crawl
Washington 151,445 5,363 146,082 Washington Geological Survey, Washington State DOT (WSDOT)
North Carolina 99,509 398 99,111 North Carolina DOT (NCDOT), Public reports collected by web crawl
Ohio 78,203 27,181 51,022 Ohio DOT (ODOT), Public reports collected by web crawl
Oregon 61,067 54,593 6,474 Oregon DOT (ODOT), City of Portland (BDS)
New Jersey 49,412 21,178 28,234 New Jersey DOT (NJDOT), Public reports collected by web crawl
California 44,159 5,000 39,159 Caltrans, LA County Public Works (GMED)
Minnesota 31,926 31,502 424 Minnesota DOT (MnDOT), Public reports collected by web crawl
Kentucky 29,114 6,311 22,803 Kentucky Transportation Cabinet (KYTC), Public reports collected by web crawl
Virginia 22,015 19,602 2,413 Virginia DOT (VDOT), Public reports collected by web crawl
Utah 22,002 3,982 18,020 State of Utah, Utah DOT (UDOT)
New York 11,997 8,845 3,152 LogitEasy (contributed), Public reports collected by web crawl
Wisconsin 11,739 7,933 3,806 Wisconsin DOT (WisDOT), Public reports collected by web crawl
Maryland 11,034 10,678 356 Maryland DOT (MDOT), Public reports collected by web crawl
Illinois 10,276 7,632 2,644 Illinois State Geological Survey (ISGS), Public reports collected by web crawl
Missouri 7,351 7,063 288 Missouri DOT (MoDOT), St. Louis County
Montana 6,397 6,285 112 Montana DOT (MDT), Public reports collected by web crawl
Alabama 6,307 4,252 2,055 Alabama DOT (ALDOT), Public reports collected by web crawl
Alaska 6,270 5,979 291 Alaska Division of Geological & Geophysical Surveys, Public reports collected by web crawl
Kansas 5,744 4,724 1,020 Kansas DOT (KDOT), Public reports collected by web crawl
Colorado 5,651 5,293 358 City and County of Denver, Public reports collected by web crawl
Texas 4,929 3,452 1,477 Public reports collected by web crawl, USGS CPT program
South Dakota 4,490 168 4,322 South Dakota DOT (SDDOT), Public reports collected by web crawl
Michigan 2,669 2,263 406 Michigan DOT (MDOT), Public reports collected by web crawl
Pennsylvania 2,534 2,019 515 Pennsylvania DOT (PennDOT), Public reports collected by web crawl
Oklahoma 2,317 1,461 856 Oklahoma DOT (ODOT), Public reports collected by web crawl
Nebraska 2,294 1,892 402 University of Nebraska–Lincoln, Public reports collected by web crawl
South Carolina 2,287 1,972 315 Public reports collected by web crawl, South Carolina DOT (SCDOT)
Maine 1,968 52 1,916 Public reports collected by web crawl
Delaware 1,949 1,703 246 Delaware DOT (DelDOT), Public reports collected by web crawl
Arkansas 1,888 1,445 443 Arkansas DOT (ARDOT), Public reports collected by web crawl
Iowa 1,530 1,062 468 Public reports collected by web crawl, Iowa DOT
Georgia 1,356 765 591 Public reports collected by web crawl, Georgia DOT (GDOT)
Arizona 1,250 954 296 Public reports collected by web crawl, Caltrans
Tennessee 992 635 357 Public reports collected by web crawl, Tennessee DOT (TDOT)
North Dakota 826 665 161 Public reports collected by web crawl, USGS CPT program
Connecticut 821 600 221 Connecticut DOT (CTDOT), Public reports collected by web crawl
Louisiana 795 573 222 Public reports collected by web crawl, DIGGS sample files
Nevada 765 612 153 Public reports collected by web crawl, Caltrans
West Virginia 753 491 262 West Virginia DOT (WVDOT), Public reports collected by web crawl
New Mexico 737 401 336 Public reports collected by web crawl
Indiana 701 466 235 Public reports collected by web crawl, Illinois State Geological Survey (ISGS)
Massachusetts 632 197 435 Public reports collected by web crawl, Connecticut DOT (CTDOT)
Mississippi 497 179 318 Public reports collected by web crawl, USGS CPT program
District of Columbia 461 59 402 District DOT (DDOT), Public reports collected by web crawl
Vermont 383 24 359 Public reports collected by web crawl
Idaho 302 182 120 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) 83,376 74,943 8,433 Ontario Geological Survey (OGS), Ontario Ministry of Transportation (MTO)
United Kingdom 62,719 62,719 0 British Geological Survey (NGDC)
Ireland 43,146 0 43,146 Geological Survey Ireland (GSI)

"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 2 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.