Table 1 Timeline of midden database releases and related publications.

From: Plant macrofossil data for 48-0 ka in the USGS North American Packrat Midden Database, version 5.0

Database Version (Release Date)

Database Title, Authors, and Related Publications

Version 1.0 (1998)

USGS/NOAA North American Packrat Midden Database (R. R. Schumann, R. S. Thompson, K. H. Anderson). No longer available online.

Related publication: USGS/NOAA North American Packrat Midden Database Data Dictionary (2001)14.

Version 2.0 (October 2002)

USGS/NOAA North American Packrat Midden Database (L. E. Strickland, R. R. Schumann, R. S. Thompson, K. H. Anderson). No longer available online.

Related publication: Standardized paleobotanical data derived from packrat middens in western North America. Geological Society of America Annual Meeting abstract (October 2002)89.

Version 3.0 (October 2006)

USGS/NOAA North American Packrat Midden Database (L. E. Strickland, R. R. Schumann, R. S. Thompson, K. H. Anderson, R. T. Pelltier). No longer available online.

Related publication: Quaternary plant fossils from caves and rockshelters: A database of paleoecological records from Neotoma middens in western North America. Geological Society of America Annual Meeting abstract (October 2006)90.

Version 4.0 (June 2016)

USGS/NOAA North American Packrat Midden Database (L. E. Strickland, R. R. Schumann, R. S. Thompson, K. H. Anderson, R. T. Pelltier)15. Currently available at: https://geochange.er.usgs.gov/midden/.

Related publication: Quaternary plant fossils from Neotoma middens in western North America: An update of the USGS/NOAA North American Packrat Midden Database. American Quaternary Association (AMQUA) abstract (June 28-July 2, 2016; L. E. Strickland, R. R. Schumann, R. S. Thompson, K. H. Anderson, R. T. Pelltier).

Version 5.0 (October 2022)

USGS North American Packrat Midden Database (L. E. Strickland, R. S. Thompson, K. H. Anderson, R. T. Pelltier, S. L. Shafer, P. J. Bartlein, R. R. Schumann, A. K. McFadden)16. U.S. Geological Survey data release. Currently available at: https://doi.org/10.5066/P91UOARW.

Related publication: Paleobotanical data from the USGS/NOAA North American Packrat Midden Database, version 5: Primary data, quality-assessed standardized data, and information on sample climatic and ecological context. Geological Society of America Annual Meeting abstract (September 2019)91.