Professional Mine Exploration and Technical Services:
West | East



GENERAL MINE SAFETY




On Rope - North American vertical rope technique



The Works - The Industrial History of the United States
Betsy Hunter Bradley



A guidebook to Mining in America
Volume 1 West / Volume 2 East



Waterworks
Stanley Greenberg



A burglars guide to the city
Geoff Manaugh



Mountaineering - The freedom of the hills