Found 4 datasets matching filters.
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Paleontologic Information and Data includes publicly releasable biostratigraphic and paleobathymetric summary information on active and expired fields and leases in the Gulf of America. The...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-04 -
Culebra Range of the Sangre de Cristo Mountains, Colorado. Sample Collection: Ponderosa pine (Pinus ponderosa), Douglas-fir (Pseudotsuga menziesii), Bristlecone pine (Pinus aristate), and Limber...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-03 -
### Background Tree-ring chronologies allow assessment of hydrologic variability over centuries to millennia, gives historic context for assessing recent droughts, and can be used in climate...
Search relevance: 1.00 | Views last month: 0 | Published on: 2025-11-28 -
Dendrochronological collections during the career of USGS emeritus, Paul Carrara: Douglas-fir (Pseudotsuga menziesii), Black cottonwood (Populus trichocarpa), Spruce (Picea), Shore pine (Pinus...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03