Glen Spring Arroyo, BBNP, Texas 19900102 |
Tornillo Creek, BBNP, Texas 19900103 |
Shafter, Texas 19900107 |
Austin, Texas 19900111 |
Green Gulch, BBNP, Texas 19900114 |
Ernst Tinaja, BBNP, Texas 19900115 |
Lajatis, Texas 19900117 |
West Border, BBNP, Texas 19900119 |
Burlington, New Jersey 19900201 |
Waller, Texas 19900207 |
Waller, Texas 19900208 |
Globe Hill, Texas 19900209 |
Globe Hill, Texas 19900210 |
Thorndale, Texas 19900211 |
Thorndale, Texas 19900212 |
Thorndale, Texas 19900214 |
Wurthrich Hill, Texas 19900215 |
Travis County, Texas 19900216 |
Delmar Twp, Pennsylvania 19900402 |
Driftwood, Pennsylvania 19900404 |
Ulysses, Pennsylvania 19900405 |
Delmar Twp, Pennsylvania 19900406 |
Wykoff Creek, Elk St. Forest, Pennsylvania 19900408 |
Little Fourmile Run, Pine Creek Gorge, Pennsylvania 19900409 |
Rancocas River, Hainsport, New Jersey 19900602 |
Libbie, Mt. Laurel, New Jersey 19900604-05 |
Marcy, New York 19900701 |
Alpine Corners, New York 19900702 |
Little Fourmile Run, Pine Creek Gorge, Pennsylvania 19900703 |
Bradford, Pennsylvania 19900705 |
Elkland, Pennsylvania 19900706 |
Russell Hill, Pennsylvania 19900707 |
Russell Hill, Pennsylvania 19900709 |
Cinncinatus, New York 19900710 |
Cinncinatus, New York 19900711 |
Cinncinatus, New York 19900712 |
White Sands NM, New Mexico 19901015 |
White Sands NM, New Mexico 19901013 |
White Sands NM, New Mexico 19901021 |
White Sands NM, New Mexico 19901014 |
Rio Bonito, Lincoln NF, New Mexico 19901012 |
Tularosa, New Mexico 19901019 |
White Oak, New Mexico 19901022 |
Green Gulch, Big Bend Nat'l Park, Texas 19900120 |
Green Gulch, Big Bend Nat'l Park, Texas 19900121 |
Delmar, Pennsylvania 19900401 |
Renovo, Pennsylvania 19900403 |
Mt Laurel, New Jersey 19900407 |
Gains, Pennsylvania 19900715 |
Tiadaghton State Forest, Pennsylvania 19900716 |