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31. 2012 United States of America unconventional shale plays
PennWell MAPSearch (Firm). PennWell MAPSearch,.
32. 2013 North America unconventional resource plays /
PennWell MAPSearch (Firm), creator, publisher. PennWell MAPSearch,.
33. 30 x 60 minute series (topographic) [United States] /
Geological Survey (U.S.). The Survey,.
35. 50 Foot Grid Cambridge MA 2004
Cambridge (Mass.) Geographic Information Systems and Cambridge (Mass.). Geographic Information Systems. This polygon dataset is a 50 foot grid overlay for Cambridge, MA. Cambridge (Mass.). Geographic Information Systems.
37. A Boston Educational Marine Exchange proposal for a new Inner Harbor Community /
Boston Educational Marine Exchange, compiler, issuing body. Boston Educational Marine Exchange,.
38. A century of great earthquakes, 1897-1996 [world] /
Massé, Robert P. Unique Media,.
39. A delineation of the strata of England and Wales, with part of Scotland, exhibiting the collieries and mines, the marshes and fen lands originally overflowed by the sea, and the varieties of soil according to the variations in the substrata, illustrated by the most descriptive names /
Smith, William, 1769-1839, cartographer. The Geological Society,.
40. A delineation of the strata of England and Wales, with part of Scotland, exhibiting the collieries and mines, the marshes and fen lands originally overflowed by the sea, and the varieties of soil according to the variations in the substrata, illustrated by the most descriptive names /
Smith, William, 1769-1839. British Geological Survey,.