Public Boring Logs & Geotechnical Data by Place

Geosetta holds 2,368,582 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 199,045 52,477 146,568 Washington Geological Survey, City of Seattle (EDMS)
Florida 172,401 10,794 161,607 Florida DOT (FDOT), Public reports collected by web crawl
North Carolina 102,530 3,328 99,202 North Carolina DOT (NCDOT), Public reports collected by web crawl
Ohio 80,932 74,024 6,908 Ohio DOT (ODOT), Public reports collected by web crawl
Oregon 73,397 66,903 6,494 Oregon DOT (ODOT), City of Portland (BDS)
California 58,907 35,903 23,004 Public reports collected by web crawl, Caltrans
New Jersey 51,412 48,982 2,430 New Jersey DOT (NJDOT), Public reports collected by web crawl
New York 44,248 40,852 3,396 Public reports collected by web crawl, LogitEasy (contributed)
Minnesota 35,251 34,808 443 Minnesota DOT (MnDOT), Public reports collected by web crawl
Wisconsin 32,707 28,833 3,874 Wisconsin DOT (WisDOT), Public reports collected by web crawl
Kentucky 31,998 9,206 22,792 Kentucky Transportation Cabinet (KYTC), Public reports collected by web crawl
Virginia 27,633 25,197 2,436 Virginia DOT (VDOT), Public reports collected by web crawl
Utah 24,979 6,955 18,024 Utah DOT (UDOT), State of Utah
Illinois 24,642 21,961 2,681 Chicago DOT (CDOT), Public reports collected by web crawl
Texas 19,183 17,381 1,802 Texas DOT (TxDOT), Public reports collected by web crawl
Maryland 13,445 13,024 421 Maryland DOT (MDOT), Public reports collected by web crawl
Alabama 9,996 7,829 2,167 Public reports collected by web crawl, Alabama DOT (ALDOT)
Missouri 7,654 7,361 293 Missouri DOT (MoDOT), St. Louis County
Pennsylvania 7,527 7,068 459 Public reports collected by web crawl, Philadelphia Water Department
Maine 7,377 5,139 2,238 Public reports collected by web crawl
Michigan 7,154 6,741 413 Public reports collected by web crawl, Michigan DOT (MDOT)
Alaska 7,052 6,734 318 Alaska Division of Geological & Geophysical Surveys, Public reports collected by web crawl
Colorado 6,979 6,603 376 City and County of Denver, Public reports collected by web crawl
Montana 6,950 6,835 115 Montana DOT (MDT), Public reports collected by web crawl
Kansas 6,324 5,325 999 Kansas DOT (KDOT), Public reports collected by web crawl
Oklahoma 5,933 5,070 863 Oklahoma DOT (ODOT), Public reports collected by web crawl
South Dakota 4,832 506 4,326 South Dakota DOT (SDDOT), Public reports collected by web crawl
Massachusetts 3,787 3,314 473 Public reports collected by web crawl, Connecticut DOT (CTDOT)
Arkansas 3,783 3,314 469 Public reports collected by web crawl, Arkansas DOT (ARDOT)
Georgia 3,653 2,956 697 Public reports collected by web crawl, Georgia DOT (GDOT)
South Carolina 3,208 2,851 357 Public reports collected by web crawl, South Carolina DOT (SCDOT)
Indiana 3,096 2,840 256 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
Iowa 2,943 2,470 473 Public reports collected by web crawl, Iowa DOT
Connecticut 2,914 2,685 229 Public reports collected by web crawl, Connecticut DOT (CTDOT)
Delaware 2,899 2,633 266 Delaware DOT (DelDOT), Public reports collected by web crawl
Arizona 2,778 2,555 223 Public reports collected by web crawl, Utah DOT (UDOT)
Nebraska 2,675 2,272 403 University of Nebraska–Lincoln, Public reports collected by web crawl
Tennessee 2,055 1,686 369 Public reports collected by web crawl, Tennessee DOT (TDOT)
Vermont 2,028 1,594 434 Public reports collected by web crawl
Louisiana 1,897 1,662 235 Public reports collected by web crawl, DIGGS sample files
Nevada 1,658 1,503 155 Public reports collected by web crawl, Caltrans
West Virginia 1,597 1,340 257 Public reports collected by web crawl, West Virginia DOT (WVDOT)
Mississippi 1,333 1,004 329 Public reports collected by web crawl, USGS CPT program
North Dakota 1,305 1,141 164 Public reports collected by web crawl, USGS CPT program
Rhode Island 1,153 1,053 100 Public reports collected by web crawl
New Hampshire 1,048 919 129 Public reports collected by web crawl
District of Columbia 891 484 407 Public reports collected by web crawl, District DOT (DDOT)
Idaho 516 392 124 Public reports collected by web crawl, Montana DOT (MDT)
Wyoming 446 382 64 Public reports collected by web crawl, South Dakota DOT (SDDOT)

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 63,605 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 13 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.