This article briefly describes the in-situ shear vane test, including images and typical results. This procedure tests the undrained shear strength of soil. Procedures of the test are not outlined, but a general overview...

Created by Edwin F. Harp and Gerald F. Wieczorek of the United States Geological Survey (USGS), this resource is an effort to assess the stability of a section of the Aspen Forest Trail to Betatakin Ruins, Navajo...

The University of Wisconsin - Green Bay has created this collection of material and instructions on how to analyze and plot structural geology data. Topics covered includes planes, lines, relations between lines and...