• Twitter
  • Facebook
  • LinkedIn
  • YouTube
GeoPrac.net

Our Sponsors

  • Home
  • About
    • Our Sponsors
  • Articles
  • News
    • Search By Tag
  • Events
    • Events Main
    • Add an Event
    • Webinars
    • Conferences
    • Calls For Abstracts
  • Resources
    • Links
  • Contact Us
News Ticker
  • [ July 11, 2025 ] World Record Rockfall Barrier Test – 12,500 kJ! Geologic Hazards
  • [ July 9, 2025 ] Cool Geohazard Instrumentation Project Geologic Hazards
  • [ July 7, 2025 ] New Guidance for Wind Turbine Foundations Available Resources
  • [ April 30, 2025 ] NZGS Looking For Comments on Slope Stability Document Available Resources
  • [ April 7, 2025 ] In Memoriam: Richard Goodman (1935-2025) In Memoriam
Homecoal mining

coal mining

Dennis Miller, former park manager on a dock on the west side of Duke Lake in Ryerson Station State Park. The dam seen in the background, was damaged resulting in the lake being drained in July 2005.
Failures

Coal Mining Company Ordered to pay $21M for Causing Crack in Pennsylvania Dam

November 10, 2010 rockman Comments Off on Coal Mining Company Ordered to pay $21M for Causing Crack in Pennsylvania Dam

In July of 2005, cracks began forming in the concrete dam that created Duke Lake in Ryerson Station State Park in Pennsylvania that required officials to drain the 62-acre lake. The state’s Department of Environmental […]

Our Sponsors

Upcoming Events

Check out these upcoming events for geoprofessionals! You can submit your own events, or go to calendar view as well.

Notice
There are no upcoming events.

Our Sponsors

Random Post by Image (Feeling Lucky?)

  • Moretrnch ground freezing technology at the Washington D.C. First Street Tunnels Project
  • kdICON bridge, center pylon
  • Nortex employees stabilizing Houston area freeway with TerraThane Polyurethane Foam
  • Apollo 11 LM Pad
  • Dennis Miller, former park manager on a dock on the west side of Duke Lake in Ryerson Station State Park. The dam seen in the background, was damaged resulting in the lake being drained in July 2005.
  • A frontage road just south of Paseo del Mar in San Pedro is in ruins after a November landslide.
Follow on Facebook
Recent Comments
  • Randy Post on Video of Highway 101 Landslide in California
  • GE Reviewer on San Francisco Millennium Tower Has Settled 16 Inches
  • Agus on New FHWA Soil Nail Manual Addresses LRFD, Hollow Bars
  • geoengineer Spain on Engineering Geologists vs Geological Engineers vs Geotechnical Engineers
  • Blaine J. Guidry, P.E. on A Whole Lotta Shakin’ Goin’ On: Center for Geotechnical Modeling Facilitates Seismic Research

Copyright © 2007-2020 by Randy Post