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41
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42
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43
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44
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45
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46
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47Published 1995“...Geological Society of America,...”
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48
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49
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50
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51
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52
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53
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54Published 1980“...American Society of Mechanical Engineers,...”
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55
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56
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57
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58
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59Published 1987“...Soil Conservation Society of America,...”
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60