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61
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62Published 1977Conference Proceeding Book
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63Published 1975Government Document Conference Proceeding Book
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64
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65Published 1998Conference Proceeding Book
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66
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67
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68
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69Published 1982Conference Proceeding Book
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70
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71Published 1982Conference Proceeding Book
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72Published 1976Conference Proceeding Microform Book
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73
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74
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75Published 1973Conference Proceeding Book
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76Published 1988Government Document Conference Proceeding Microform Book
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77Published 1990Conference Proceeding Book
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78Published 1995Conference Proceeding Book
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79by Briggs, Mark K. (Mark Kendig), 1961-“...Inventory of riparian habitat along Rincon Creek near Tucson, Arizona...”
Published 1997
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80