| d13C data used in Leavitt and Long 1988, 1989a, 1989b; Pentad date is first year of pentad, ie, 1490=1490-94; many of the 1980 and 1985 pentads were fewer than 5 years | ||||||||||||||
| Pentad | Kane Spring | Alton | Dry Canyon | Lower Colonias | Aztec | Cerro Colorado | Ozena | Hawthorne | Mimbres | Owl Canyon | Northcentral AZ | Northeast AZ | Gate Canyon | Lamoille |
| UT | UT | CO | NM | NM | NM | CA | NV | NM | CO | AZ | AZ | UT | NV | |
| 1490 | -19.47 | |||||||||||||
| 1495 | -18.94 | |||||||||||||
| 1500 | -18.8 | |||||||||||||
| 1505 | -18.6 | |||||||||||||
| 1510 | -19.08 | |||||||||||||
| 1515 | -19.05 | |||||||||||||
| 1520 | -18.74 | -18.42 | ||||||||||||
| 1525 | -18.85 | -18.52 | ||||||||||||
| 1530 | -18.68 | -17.8 | ||||||||||||
| 1535 | -18.67 | -18.47 | ||||||||||||
| 1540 | -19.01 | -18.21 | ||||||||||||
| 1545 | -19.08 | -18.43 | ||||||||||||
| 1550 | -19.32 | -18.7 | ||||||||||||
| 1555 | -19.37 | -19.19 | ||||||||||||
| 1560 | -19.23 | -18.82 | ||||||||||||
| 1565 | -19.21 | -18.93 | ||||||||||||
| 1570 | -18.97 | -18.52 | ||||||||||||
| 1575 | -19.17 | -18.2 | ||||||||||||
| 1580 | -18.9 | -18.56 | -18.16 | |||||||||||
| 1585 | -18.98 | -18.6 | -18.72 | |||||||||||
| 1590 | -18.77 | -18.29 | -18.74 | |||||||||||
| 1595 | -19.1 | -18.87 | -18.88 | |||||||||||
| 1600 | -18.68 | -18.89 | -19.89 | -18.34 | ||||||||||
| 1605 | -19.36 | -19.35 | -19.94 | -18.4 | ||||||||||
| 1610 | -19.66 | -19.64 | -19.99 | -18.21 | ||||||||||
| 1615 | -19.81 | -19.79 | -20.81 | -18.58 | ||||||||||
| 1620 | -19.48 | -19.11 | -19.34 | -19.49 | -18.79 | -20.29 | ||||||||
| 1625 | -19.13 | -18.92 | -19.63 | -19.27 | -19.37 | -18.18 | -19.99 | |||||||
| 1630 | -18.92 | -18.21 | -19.43 | -19.38 | -20.63 | -18.28 | -20.01 | |||||||
| 1635 | -19.17 | -19.04 | -19.79 | -18.99 | -21.37 | -18.59 | -20.46 | |||||||
| 1640 | -19.4 | -18.79 | -20.06 | -19.01 | -20.33 | -18.55 | -20.43 | |||||||
| 1645 | -19.02 | -18.8 | -20.01 | -19.18 | -20.26 | -18.35 | -20.13 | |||||||
| 1650 | -19.34 | -18.81 | -20.27 | -18.95 | -19.04 | -20.21 | -18.67 | -20.19 | ||||||
| 1655 | -19.05 | -18.99 | -20.13 | -19.81 | -18.5 | -18.67 | -20.67 | -18.62 | -20.14 | |||||
| 1660 | -18.88 | -18.98 | -19.54 | -20.03 | -18.74 | -18.79 | -20.68 | -18.22 | -19.65 | |||||
| 1665 | -18.65 | -18.73 | -19.31 | -18.92 | -18.06 | -18.19 | -20.1 | -17.83 | -19.61 | |||||
| 1670 | -18.5 | -18.7 | -19.51 | -18.45 | -18.53 | -18.4 | -20.41 | -18.27 | -19.82 | |||||
| 1675 | -18.67 | -18.21 | -19.28 | -18.52 | -18.65 | -18.52 | -21.12 | -17.95 | -20.16 | |||||
| 1680 | -19.64 | -19.43 | -20.18 | -19.25 | -19.16 | -19.39 | -20.48 | -18.54 | -20.39 | |||||
| 1685 | -18.63 | -19.09 | -19.8 | -19.12 | -18.79 | -18.9 | -20.15 | -18.32 | -21.14 | |||||
| 1690 | -18.99 | -19.33 | -20.04 | -19.19 | -19.04 | -18.33 | -21.36 | -18.64 | -20.38 | |||||
| 1695 | -18.29 | -18.95 | -20 | -18.32 | -18.63 | -18.7 | -20.44 | -18.02 | -20.04 | |||||
| 1700 | -18.54 | -18.86 | -19.96 | -18.92 | -18.49 | -18.96 | -21.18 | -18.33 | -18.73 | -20.22 | ||||
| 1705 | -19.09 | -19.06 | -20.15 | -18.91 | -18.1 | -19.29 | -20.56 | -18.69 | -18.14 | -20.45 | ||||
| 1710 | -19.34 | -18.86 | -20.33 | -19.24 | -18.62 | -18.98 | -19.27 | -20.73 | -18.68 | -18.34 | -20.51 | |||
| 1715 | -19.21 | -18.78 | -20.29 | -18.33 | -18.8 | -18.56 | -19.21 | -20.58 | -18.38 | -18.58 | -20.44 | |||
| 1720 | -19.12 | -18.88 | -20.52 | -19.27 | -19.12 | -18.9 | -19.46 | -20.97 | -18.67 | -18.68 | -20.63 | |||
| 1725 | -19.03 | -19.07 | -20.22 | -18.54 | -19.24 | -18.59 | -19.38 | -20.7 | -19.22 | -19.64 | -18.74 | -20.67 | ||
| 1730 | -18.56 | -18.97 | -19.91 | -18.5 | -18.73 | -18.56 | -19.04 | -19.87 | -18.7 | -19.16 | -18.64 | -20.11 | ||
| 1735 | -18.82 | -18.61 | -19.47 | -17.66 | -18.83 | -18.52 | -18.28 | -19.63 | -18.22 | -18.61 | -18.17 | -20 | ||
| 1740 | -19.59 | -18.85 | -20.21 | -18.27 | -19.28 | -18.34 | -19.01 | -19.41 | -18.56 | -19.26 | -18.16 | -19.94 | ||
| 1745 | -19.55 | -19.04 | -20.68 | -19.05 | -19.53 | -18.36 | -19.45 | -20.11 | -19.28 | -19.83 | -18.83 | -20.18 | ||
| 1750 | -19.04 | -18.49 | -19.67 | -19.1 | -19.29 | -18.63 | -19.51 | -18.55 | -19.72 | -19.06 | -18.47 | -18.03 | -20.32 | |
| 1755 | -18.76 | -18.58 | -19.02 | -18.51 | -18.84 | -18.02 | -19.25 | -18.21 | -20.51 | -18.64 | -19.07 | -17.73 | -20.13 | |
| 1760 | -19.49 | -18.58 | -19.87 | -18.89 | -19.06 | -18.58 | -19.94 | -18.83 | -20.51 | -18.87 | -19.09 | -18.75 | -20.42 | |
| 1765 | -19.54 | -18.78 | -20.17 | -18.96 | -19.62 | -18.82 | -19.56 | -19 | -20.49 | -19.5 | -19.24 | -18.54 | -19.92 | |
| 1770 | -18.91 | -18.93 | -19.93 | -18.56 | -19.32 | -18.54 | -19.56 | -19.11 | -20.85 | -19.26 | -19.21 | -18.52 | -20.33 | |
| 1775 | -18.64 | -18.5 | -19.21 | -18.42 | -18.93 | -17.84 | -19.1 | -18.9 | -20.27 | -18.82 | -19.15 | -17.75 | -20.15 | |
| 1780 | -19.17 | -18.3 | -19.17 | -18.56 | -19.3 | -18.66 | -18.97 | -18.4 | -20.27 | -18.64 | -19.08 | -18.56 | -20.2 | |
| 1785 | -19.37 | -18.78 | -19.79 | -18.25 | -18.96 | -18.44 | -18.88 | -18.67 | -20.73 | -19.16 | -19.12 | -18.34 | -20.03 | |
| 1790 | -19.56 | -19.05 | -20.23 | -18.68 | -19.68 | -18.98 | -19.45 | -19.16 | -19.6 | -21.13 | -19.14 | -19.72 | -18.35 | -20.35 |
| 1795 | -19.51 | -18.92 | -20.36 | -18.37 | -19.38 | -18.62 | -19.25 | -18.87 | -19.3 | -20.65 | -19.1 | -19.06 | -18.12 | -20.3 |
| 1800 | -19.06 | -19.22 | -20.14 | -18.47 | -19.42 | -18.84 | -19.16 | -19.42 | -19.43 | -20.94 | -19.07 | -18.83 | -18.2 | -20.38 |
| 1805 | -18.9 | -18.89 | -19.6 | -18.43 | -19.32 | -18.84 | -19.06 | -18.68 | -18.96 | -19.92 | -19.06 | -18.8 | -18.03 | -20.28 |
| 1810 | -19.1 | -18.67 | -19.7 | -18.16 | -19.4 | -18.65 | -19.17 | -18.53 | -18.43 | -20.01 | -19.1 | -18.88 | -18.25 | -19.87 |
| 1815 | -19.72 | -19.61 | -20.27 | -18.57 | -20 | -19.22 | -19.67 | -18.56 | -18.93 | -20.45 | -19.11 | -19.28 | -18.57 | -19.93 |
| 1820 | -19.17 | -18.42 | -19.82 | -18.33 | -19.38 | -18.08 | -18.9 | -18.2 | -18.6 | -19.63 | -19.06 | -19.18 | -18.35 | -19.74 |
| 1825 | -19.56 | -19.16 | -20.62 | -19.03 | -19.96 | -18.48 | -19.7 | -18.88 | -19.09 | -21 | -19.12 | -19.69 | -18.4 | -20.52 |
| 1830 | -19.15 | -18.99 | -19.99 | -18.73 | -19.66 | -18.78 | -19.4 | -18.7 | -19.33 | -20.32 | -19.06 | -19.49 | -18.1 | -20.23 |
| 1835 | -19.53 | -19.04 | -20.54 | -18.87 | -19.66 | -19.05 | -18.97 | -18.44 | -19.02 | -20.96 | -19.44 | -19.68 | -18.67 | -20.4 |
| 1840 | -19.39 | -19.12 | -20.33 | -18.84 | -19.58 | -18.89 | -18.97 | -18.9 | -19.07 | -21.36 | -19.16 | -19.44 | -18.78 | -20.18 |
| 1845 | -19.21 | -18.89 | -20.01 | -18.35 | -19.8 | -18.4 | -18.82 | -18.57 | -19.05 | -20.75 | -19.21 | -19.29 | -18.51 | -20.01 |
| 1850 | -19.5 | -19.39 | -20.2 | -18 | -19.88 | -18.53 | -19.52 | -19.42 | -18.63 | -20.66 | -19.32 | -19.48 | -19.16 | -20.31 |
| 1855 | -19.45 | -18.65 | -20.42 | -18.63 | -19.71 | -18.74 | -18.76 | -18.73 | -18.82 | -20.96 | -19.35 | -19.47 | -18.7 | -20.26 |
| 1860 | -19.16 | -18.34 | -20.18 | -17.93 | -19.73 | -18.39 | -19.4 | -19.18 | -18.44 | -20.1 | -18.83 | -18.95 | -18.77 | -20.25 |
| 1865 | -19.8 | -19.24 | -20.72 | -19 | -20.06 | -19.16 | -19.8 | -19.35 | -19.12 | -21.28 | -19.55 | -19.71 | -19.12 | -20.14 |
| 1870 | -19.87 | -19.32 | -20.14 | -18.12 | -20.22 | -18.46 | -19.2 | -19.3 | -18.59 | -20.49 | -19.06 | -19.28 | -18.83 | -20.51 |
| 1875 | -19.7 | -18.94 | -20.02 | -18.55 | -20.25 | -18.65 | -19.4 | -19.34 | -18.85 | -20.96 | -19.18 | -19.01 | -18.56 | -20.24 |
| 1880 | -19.56 | -18.45 | -19.84 | -18.49 | -20.58 | -19.2 | -19.57 | -18.76 | -19.1 | -21.27 | -19.45 | -19.31 | -18.38 | -19.69 |
| 1885 | -19.87 | -19.34 | -20.34 | -19.41 | -20.68 | -19.24 | -19.74 | -19.1 | -19.21 | -20.58 | -19.44 | -19.47 | -19.15 | -20.57 |
| 1890 | -19.98 | -19.4 | -20.56 | -18.67 | -20.44 | -18.85 | -19.67 | -19.79 | -18.75 | -20.74 | -19.17 | -19.33 | -19.02 | -20.68 |
| 1895 | -19.57 | -18.93 | -20.04 | -18.76 | -19.58 | -18.42 | -19.04 | -19.16 | -18.79 | -20.1 | -18.66 | -18.88 | -18.79 | -20.61 |
| 1900 | -18.98 | -18.52 | -19.66 | -18.77 | -19.82 | -17.92 | -19 | -19.09 | -18.78 | -20.53 | -18.73 | -18.83 | -18.12 | -20.46 |
| 1905 | -19.98 | -19.43 | -20.03 | -19.35 | -20.23 | -18.57 | -19.92 | -19.83 | -19.61 | -20.86 | -19.22 | -19.88 | -19.23 | -20.94 |
| 1910 | -20.41 | -19.86 | -20.81 | -19.22 | -20.02 | -18.51 | -19.73 | -19.94 | -19.82 | -20.72 | -19.14 | -19.8 | -18.76 | -21.04 |
| 1915 | -20.64 | -19.85 | -20.54 | -19.86 | -20.29 | -19.26 | -20.02 | -19.89 | -20.02 | -21.05 | -19.64 | -20.25 | -19.36 | -20.79 |
| 1920 | -20.73 | -19.8 | -20.57 | -19.44 | -20.57 | -18.8 | -19.59 | -19.72 | -19.99 | -21 | -19.7 | -20.17 | -19.36 | -20.85 |
| 1925 | -20.58 | -19.76 | -20.61 | -19.79 | -20.19 | -18.68 | -19.36 | -19.26 | -20.23 | -21.65 | -19.64 | -19.9 | -19.52 | -20.86 |
| 1930 | -20.38 | -19.45 | -20.22 | -19.78 | -20.49 | -18.61 | -19.88 | -19.06 | -19.67 | -20.94 | -19.68 | -19.8 | -19.34 | -20.57 |
| 1935 | -20.58 | -19.58 | -20.26 | -18.89 | -20.36 | -19.19 | -20.18 | -19.97 | -19.93 | -20.58 | -19.66 | -19.62 | -19.5 | -20.5 |
| 1940 | -21.1 | -20.1 | -20.84 | -19.84 | -20.67 | -18.94 | -20.24 | -20.05 | -19.9 | -21.62 | -19.83 | -20.24 | -19.8 | -21.13 |
| 1945 | -20.54 | -20.06 | -20.43 | -19.75 | -20.2 | -18.96 | -19.82 | -20.19 | -19.25 | -21.08 | -19.42 | -19.71 | -19.78 | -21.46 |
| 1950 | -20.16 | -20.17 | -20.14 | -18.75 | -19.74 | -18.3 | -19.78 | -19.51 | -19.23 | -21.05 | -19.08 | -19.46 | -19.6 | -21.03 |
| 1955 | -20.56 | -20.2 | -20.24 | -19.68 | -20.06 | -18.18 | -19.84 | -19.73 | -19.23 | -21.29 | -19.14 | -19.55 | -20.12 | -21.23 |
| 1960 | -20.08 | -20.06 | -19.7 | -19.4 | -20.13 | -18.36 | -19.37 | -19.65 | -18.85 | -21.21 | -19.27 | -19.47 | -19.56 | -21.08 |
| 1965 | -20.76 | -21.06 | -20.64 | -19.25 | -20.27 | -18.71 | -19.68 | -19.69 | -19.63 | -20.96 | -19.54 | -19.66 | -20.49 | -21.36 |
| 1970 | -20.56 | -20.72 | -20.38 | -19.93 | -20.02 | -18.93 | -19.93 | -20.15 | -19.45 | -21.46 | -19.38 | -19.56 | -19.82 | -21.48 |
| 1975 | -20.79 | -20.76 | -20.53 | -20.33 | -20.36 | -19.07 | -20.24 | -20.58 | -19.96 | -21.37 | -19.66 | -20.01 | -20.29 | -21.58 |
| 1980 | -21.06 | -21.42 | -21.1 | -19.98 | -20.79 | -19.56 | -21.13 | -20.5 | -20.21 | -22.02 | -19.67 | -20.14 | -20.76 | -22.28 |
| 1985 | -21.33 | -22.33 | ||||||||||||
| Pentad | Kane Spring | Alton | Dry Canyon | Lower Colonias | Aztec | Cerro Colorado | Ozena | Hawthorne | Mimbres | Owl Canyon | Northcentral AZ | Northeast AZ | Gate Canyon | Lamoille |
| UT | UT | CO | NM | NM | NM | CA | NV | NM | CO | AZ | AZ | UT | NV | |