Public Boring Logs & Geotechnical Data by Place
Geosetta holds 2,349,871 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
| State | Boring logs | Digitized | PDF only | Main sources |
|---|---|---|---|---|
| Washington | 186,877 | 108,949 | 77,928 | Washington Geological Survey, Public reports collected by web crawl |
| Florida | 171,716 | 10,661 | 161,055 | Florida DOT (FDOT), Public reports collected by web crawl |
| Ohio | 80,944 | 74,093 | 6,851 | Ohio DOT (ODOT), Public reports collected by web crawl |
| California | 75,283 | 52,136 | 23,147 | Caltrans, Public reports collected by web crawl |
| Oregon | 71,862 | 65,379 | 6,483 | Oregon DOT (ODOT), City of Portland (BDS) |
| North Carolina | 70,533 | 21,314 | 49,219 | North Carolina DOT (NCDOT), Public reports collected by web crawl |
| New Jersey | 51,551 | 49,997 | 1,554 | New Jersey DOT (NJDOT), Public reports collected by web crawl |
| New York | 43,413 | 40,221 | 3,192 | Public reports collected by web crawl, LogitEasy (contributed) |
| Minnesota | 35,036 | 34,625 | 411 | Minnesota DOT (MnDOT), Public reports collected by web crawl |
| Wisconsin | 32,617 | 28,556 | 4,061 | Wisconsin DOT (WisDOT), Public reports collected by web crawl |
| Kentucky | 27,934 | 25,195 | 2,739 | Kentucky Transportation Cabinet (KYTC), Public reports collected by web crawl |
| Virginia | 26,498 | 25,079 | 1,419 | Virginia DOT (VDOT), Public reports collected by web crawl |
| Utah | 24,803 | 6,784 | 18,019 | Utah DOT (UDOT), State of Utah |
| Illinois | 22,054 | 20,058 | 1,996 | Chicago DOT (CDOT), Public reports collected by web crawl |
| Texas | 19,409 | 17,564 | 1,845 | Texas DOT (TxDOT), Public reports collected by web crawl |
| Maryland | 14,413 | 13,978 | 435 | Maryland DOT (MDOT), Public reports collected by web crawl |
| Alabama | 9,740 | 7,579 | 2,161 | Public reports collected by web crawl, Alabama DOT (ALDOT) |
| Alaska | 7,991 | 7,662 | 329 | Alaska Division of Geological & Geophysical Surveys, Public reports collected by web crawl |
| Missouri | 7,604 | 7,350 | 254 | Missouri DOT (MoDOT), St. Louis County |
| Pennsylvania | 7,323 | 6,965 | 358 | Public reports collected by web crawl, Philadelphia Water Department |
| Kansas | 7,299 | 6,349 | 950 | Kansas DOT (KDOT), Public reports collected by web crawl |
| Colorado | 7,152 | 6,774 | 378 | City and County of Denver, Public reports collected by web crawl |
| Maine | 7,087 | 4,846 | 2,241 | Public reports collected by web crawl |
| Montana | 6,911 | 6,813 | 98 | Montana DOT (MDT), Public reports collected by web crawl |
| Michigan | 6,705 | 6,306 | 399 | Public reports collected by web crawl, Michigan DOT (MDOT) |
| Oklahoma | 5,795 | 4,940 | 855 | Oklahoma DOT (ODOT), Public reports collected by web crawl |
| South Dakota | 4,714 | 468 | 4,246 | South Dakota DOT (SDDOT), Public reports collected by web crawl |
| Georgia | 3,836 | 3,280 | 556 | Public reports collected by web crawl, Georgia DOT (GDOT) |
| Massachusetts | 3,506 | 3,049 | 457 | Public reports collected by web crawl, Connecticut DOT (CTDOT) |
| Arkansas | 3,441 | 2,996 | 445 | Public reports collected by web crawl, Arkansas DOT (ARDOT) |
| Indiana | 3,290 | 3,006 | 284 | Public reports collected by web crawl, Illinois State Geological Survey (ISGS) |
| South Carolina | 3,169 | 2,923 | 246 | Public reports collected by web crawl, South Carolina DOT (SCDOT) |
| Delaware | 3,072 | 2,826 | 246 | Delaware DOT (DelDOT), Public reports collected by web crawl |
| New Mexico | 3,065 | 2,652 | 413 | Public reports collected by web crawl, NMDOT |
| Connecticut | 2,840 | 2,643 | 197 | Public reports collected by web crawl, Connecticut DOT (CTDOT) |
| Iowa | 2,720 | 2,331 | 389 | Public reports collected by web crawl, Iowa DOT |
| Nebraska | 2,459 | 2,229 | 230 | University of Nebraska–Lincoln, Public reports collected by web crawl |
| Arizona | 2,214 | 2,022 | 192 | Public reports collected by web crawl, Caltrans |
| Vermont | 2,028 | 1,608 | 420 | Public reports collected by web crawl |
| Tennessee | 1,907 | 1,600 | 307 | Public reports collected by web crawl, Tennessee DOT (TDOT) |
| Louisiana | 1,831 | 1,617 | 214 | Public reports collected by web crawl, DIGGS sample files |
| Nevada | 1,764 | 1,616 | 148 | Public reports collected by web crawl, Caltrans |
| West Virginia | 1,496 | 1,241 | 255 | Public reports collected by web crawl, West Virginia DOT (WVDOT) |
| North Dakota | 1,244 | 1,135 | 109 | Public reports collected by web crawl, USGS CPT program |
| Rhode Island | 1,107 | 1,007 | 100 | Public reports collected by web crawl |
| Mississippi | 1,014 | 922 | 92 | Public reports collected by web crawl, USGS CPT program |
| New Hampshire | 1,001 | 865 | 136 | Public reports collected by web crawl |
| District of Columbia | 834 | 427 | 407 | Public reports collected by web crawl, District DOT (DDOT) |
| Idaho | 566 | 443 | 123 | Public reports collected by web crawl, LogitEasy (contributed) |
| Wyoming | 370 | 307 | 63 | Public reports collected by web crawl, South Dakota DOT (SDDOT) |
Outside the United States
| Region | Boring logs | Digitized | PDF only | Main sources |
|---|---|---|---|---|
| Norway | 594,947 | 594,947 | 0 | NADAG – Geological Survey of Norway |
| Netherlands | 257,338 | 257,325 | 13 | BRO – Netherlands Key Register of the Subsurface |
| Japan | 195,605 | 195,605 | 0 | KuniJiban (Japan PWRI) |
| Ontario (Canada) | 101,200 | 91,856 | 9,344 | Ontario Geological Survey (OGS), Ontario Ministry of Transportation (MTO) |
| United Kingdom | 63,682 | 63,682 | 0 | British Geological Survey (NGDC) |
| Ireland | 43,689 | 543 | 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 2 November 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.