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41by Hoxie, Dwight T.“...U.S. Geological Survey,...”
Published 1983
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42
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43by DeLong, Lewis L.“...U.S. Geological Survey,...”
Published 1986
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44
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45by Armentrout, G. W.“...U.S. Geological Survey,...”
Published 1987
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46
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47
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48
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49by Maupin, Molly A.“...U.S. Geological Survey,...”
Published 1997
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50by Peterson, David A. (David Allen), 1955-“...U.S. Geological Survey,...”
Published 1990
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51
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52by Peterson, David A. (David Allen), 1955-“...U.S. Geological Survey,...”
Published 1991
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53by Peterson, David A. (David Allen), 1955-“...U.S. Geological Survey,...”
Published 1991
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54
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55by Cary, Lawrence E.“...U.S. Geological Survey,...”
Published 1991
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56by Ogle, Kathy Muller“...U.S. Geological Survey,...”
Published 1992
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57by See, Randolph B.“...U.S. Geological Survey,...”
Published 1992
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58
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59by Lindner-Lunsford, Juli B.“...U.S. Geological Survey,...”
Published 1988
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60by Peterson, David A. (David Allen), 1955-, Jones, William E. (William Edward), 1940-, Morton, Anthony G.“...U.S. Geological Survey,...”
Published 1988
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