In the table below the three letter site code, the full site name, latitude, longitude, elevation, and state are listed for each tree-ring collection site. Tree species sampled include Douglas-fir (PSME), ponderosa pine (PIPO), white fir (ABCO), Jeffrey pine (PIJE), and sugar pine (PILA). For each site, the collection date and collectors are listed. We gratefully acknowledge those who have volunteered thier time to assist with these field collections, particularly Mark Losleben, who has volunteered on numerous extended field trips. Steve Nash and has graciously shared his 2009 PSME collections from Mesa Verde NP for our analyses. |