Title :
The Prediction and Occurrence of Chimney Subsidence in Southwestern Pennsylvania
Author :
Gerald Luttrell استاد راهنما , Michael Karmis استاد مشاور , Chris Haycocks استاد مشاور , John Craynon استاد مشاور
University :
Virginia Polytechnic Institute and state University
Major :
Master of Science )Mining and Minerals Engineering(
Keyword :
Pennsylvania , subsidence , chimney