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41Published 1983Government Document Book
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42
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43
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44
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45Published 1984Government Document Book
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46
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47Published 1985Government Document Book
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48Horizontal distance measurements within Long Valley Caldera, eastern California, from 1978 to 1983 /Published 1985Government Document Book
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49Published 1985Government Document Book
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50Map showing slope movements in the Oak Forest quadrangle, Greene County, southwestern Pennsylvania /Published 1986Government Document Map
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51
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52
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53
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54
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55
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56Published 1988Government Document Map
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57
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58
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59
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60Published 1989Government Document Map