Ecological Services
Southwest Region
"Conserving the Nature of America"


Electronic Library


This application provides an interface to a growing number of published documents of the U.S. Fish and Wildlife Service Southwest Region. Use the list and search features to view a list of documents. Click on one of the documents in the list to view it on-line. The Arizona Ecological Services Field Office has an independent site for it's Electronic Library. To access that site click here




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Documents added within last 90 days:

23-Sep-09. USFWS. 2009. Hinckley Oak (Quercus hinckleyi) 5-Year Review: Summary and Evaluation.

23-Sep-09. USFWS. 2009. Navasota Ladies’-Tresses (Spiranthes parksii) 5-Year Review: Summary and Evaluation.

10-Sep-09. USFWS. 2009. 90-Day Finding on a Petition to List Cirsium wrightii (Wright’s marsh thistle) as Threatened or Endangered with Critical Habitat.

03-Sep-09. USFWS. 2009. Apache Trout (Oncorhynchus apache) Recovery Plan - Second Revision.

02-Sep-09. USFWS. 2009. 12-Month Finding on a Petition To List the Sacramento Mountains Checkerspot Butterfly as Endangered with Critical Habitat.

28-Aug-09. USFWS. 2009. 90-Day Finding on a Petition To List the Sonoran Population of Desert Tortoise (Gopherus agasizzii) as a Distinct Population Segment (DPS) With Critical Habitat.


Our goal is to provide as many of our public documents as possible in electronic format here for easy access.  Our documents have been created in a variety of formats and in the interest of rapid development of this resource, we will not be publishing them all in the same format.  Some documents will be made available in a text format for download, while others will be available in HTML or Adobe Acrobat format.

You can help us to develop this resource by providing comments or document requests via our feedback form, accessible via the "Feedback" link at the bottom of most pages.

Last updated: January 9, 2009