Sinkhole-type subsidence over abandoned coal mines in St. David, Illinois : mine subsidence report, St. David, Illinois : a field survey and analysis of mine subsidence of abandoned coal mines in St. David, Illinois /

"June, 1980."

Narrative of a tour in North America; comprising Mexico, the mines of Real del Monte, the United States, and the British colonies: with an excursion to the island of Cuba. In a series of letters, written in the years 1831-2.

Mode of access: Internet.

Travels into Chile, over the Andes, in the years 1820 and 1821 : with some sketches of the productions and agriculture; mines and metallurgy; inhabitants, history, and other features, of America; particularly of Chile, and Arauco /

Includes index.