![US Global Change Research Program, logo](images/usgcrpLogo3.jpg)
Fossil Packrat Midden Database
The map above summarizes the current known packrat midden sites in Western North America,
including over 2400 midden samples, 2200 14C dates, and 21000 plant macrofossil records.
Interactive internet maps of midden data are currently in development.
Check back soon!