Geology and mineral resources of the Hazen, Falls Creek, Reynoldsville, and Dubois quadrangles, Clearfield and Jefferson Counties, Pennsylvania /

Geology and groundwater resources of northern Berks County, Pennsylvania /

Geology and mineral resources of Estonia. /

Mineral resources of Slovakia. /

Ontario´s mines and mineral resources.

The English counties /

Pärnu County. : Guidelines for investors, exporters and guests of Pärnu County.

Geological methods in mineral exploration and mining /

Mining Geology-Mineral Fuels-Geophysies /

The bridges of Madison County /

The Bridges of Madison county /

Environmental information centres, resources and services : inventory and needs assessment for Central and Eastern Europe /

Avar cemeteries in county Baranya /

August: Osage county : 2 academy award nominations /

Historical counties and cities of Hungary : excerpts /

Sokol centennial festival, June 24,1962 Pittsburgh, Pennsylvania.

World atlas of commercial geology. Part I. Distribution of mineral production.

Active energy meters COUNTIS E63. 2013-2014

Multi-utility pulse concentrator COUNTIS ECix. 2013-2014

World resources : energy, metals, minerals, studies in economic and political geography /

Geology and mineral resources of the Ramey and Houtzdale quadrangles, Clearfield and Centre counties, Pennsylvania /