Ecological Services
Conserving the Nature of America in the Southwest Region
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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.

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.

To request a hardcopy of a document, please send an email to r2esweb@fws.gov with the the document title and your contact information.




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Documents added within last 90 days:

02-May-16. USFWS. 2016. Barton Springs Salamander (Eurycea sosorum) Recovery Plan Amended to include Austin Blind Salamander (Eurycea waterlooensis).

02-Mar-16. USFWS. 2016. Biological Opinion on the proposed Habitat Mgmt Plan (HMP) for thr Balcones Canyonlands NWR near Lago Vista.

02-Mar-16. USFWS. 2014. Biological Opinion for Federal Funding of Groundwater- and Spring dependent Eurycea: Status, Research Needs, and Recovery by TPWD.

02-Mar-16. USFWS. 2015. Biological and Conference opinion based on review of the proposed 4(d) rule and its effects on the Georgetown ·salamander.

02-Mar-16. USFWS. 2015. Biological Opinion for proposed FEMA funding of Hazardou Fuels Reduction work along Balcones Canyonlands Preserve.

02-Mar-16. USFWS. 2015. Biological Opinion for proposed FEMA funding of Hazardou Fuels Reduction work within Southwest Regional Park.

02-Mar-16. USFWS. 2015. Biological Opinion for proposed FEMA funding of Hazardou Fuels Reduction work in and adjacent to Wild Basin Wilderness Preserve.

02-Mar-16. USFWS. 2015. Biological Opinion of TxDOT Proposed Wildlife Conservation Improvements to SH100 in Cameron Cnty.

02-Mar-16. USFWS. 2014. Biological Opinion of Proposed Sec 10 permit for Bosque Canyon Ranch HCP in Bosque Cnty.

02-Mar-16. USFWS. 2015. Biological Opinion of TXARNG Activities and INRMP (2010) at Camp Maxey.

02-Mar-16. USFWS. 2014. Biological Opinion regarding Sec 404 CWA permit for Sunoco Pipeline from Colorado City to Corsicana.

02-Mar-16. USFWS. 2015. Biological Opinion on Army Reinitiation of Consultation Related to Wildfire at Ft Hood.

02-Mar-16. USFWS. 2015. Biological Opinion on Army Activities on Ft Hood.

02-Mar-16. USFWS. 2014. Biological Opinion on Sec 6 Consultation for Genetics Project on the Upper Brazos River.

02-Mar-16. USFWS. 2015. Biological Opinion for LPC Research Project on CRP Lands.

02-Mar-16. USFWS. 2015. Conference Opinion on the effects of the Wildlife and Sport Fisheries grants for Yoakum Dunes Wildlife Management Area on the lesser prairie-chicken.

02-Mar-16. USFWS. 2014. Biological Opinion for implementation of the CRP within the occupied range of the lesser prairie-chicken as described in FSA's Biological Assessment for the CRP.


  • Visit the Department of the Interior's New Library Site
  • Visit the U.S. Fish and Wildlife Service Fish and Wildlife Reference Service for a searchable list of other Service publications.
  • Visit the Department of the Interior Electronic Reading Room.
  • Visit the U.S. Fish and Wildlife Service library information page for information on obtaining other documents from the USFWS.
  • Last updated: May 24, 2016