U.S. Department of the Interior
Office of the Solicitor
SOLICITOR’S OPINIONS
To access each document, click the link on the Opinion NUMBER column.
1993-present |
M-Opinion Index![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
|
01/18/2009 |
M-37023 ![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Applicability of 25 U.S.C. § 2719 to Restricted Fee Lands |
01/16/2009 |
M-37022![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Protest and Administrative Appeal of Biological Assessments – Livestock Grazing |
01/16/2009 |
M-37021![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
The Meaning of “Foreseeable Future” in Section 3(20) of the Endangered Species Act |
01/16/2009 |
M-37020![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
The Bureau of Land Management’s Authority To Issue Prospecting Permits for Energy Minerals on Bankhead-Jones Farm Tenant Act Lands |
01/15/2009 |
M-37019![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Revival of Offshore Oil and Gas Leases |
12/12/2008 |
M-37018 ![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
U.S. Fish and Wildlife Service Authority under Section 4(c)(l) of the Endangered
Species Act to Revise Lists of Endangered and Threatened Species to " Reflect
Recent Determinations " |
10/03/2008 |
M-37017![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Guidance on the Applicability of the Endangered Species Act's Consultation Requirements to Proposed Actions Involving the Emissions of Greenhouse Gases |
10/03/2008 |
M-37016![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
The Secretary's Authority to Exclude Areas from a Critical Habitat Designation under Section 4(b)(2) of the Endangered Species Act |
05/23/2008 |
M-37015![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Legal Implications Affecting the Importation of Sport-hunted Polar Bears from Canada Resulting from the Listing of the Polar Bear as a Threatened Species under the Endangered Species Act |
12/17/2007 |
M-37014![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Funding to States and Indian Tribes Under the Surface
Mining Control and Reclamation Act of 1977, as Amended by the Tax Relief
and Health Care Act of 2006 |
02/23/2007 |
M-37013![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
The Meaning of "In Danger of Extinction Throughout
Allor a Significant Portion
of its Range" |
11/14/2005 |
M-37012![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Legal Requirements for Determining Mining Claim Validity before Approving a Mining Plan of Operation |
11/14/2005 |
M-37011![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Rescission of 2001 Ancillary Use Opinion |
10/07/2003 |
M-37010![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Mill Site Location and Patenting under the 1872 Mining Law |
05/13/2003 |
M-37008![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Authority for the Bureau of Land Management to Consider Requests for Retiring Grazing Permits and Leases on Public Lands |
10/23/2001 |
M-37007![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Surface Management Provisions for Hardrock Mining |
01/18/2001 |
M-37006![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Great Sand Dunes National Park |
01/19/2001 |
M-37005![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Whether Public Lands Withdrawn by Executive Orders
6910 and 6964 or Established as Grazing Districts are "Reservations
within the Meaning of Section 4(e) of the Federal Power Act” |
01/18/2001 |
M-37004![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Use of Mining Claims for Purposes Ancillary to Mineral
Extraction |
01/18/2001 |
M-37003![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Binding Nature of Solicitor's M-Opinions on the Office
of Hearings and Appeals |
01/19/2001 |
M-37002![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Eastern Boundary of the Sandia Pueblo Grant |
01/11/2001 |
M-37001![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Proposed New Mexico Standards and Guidelines for Grazing
Administration; Evaluation and Recommendations |
12/05/2000 |
M-37000![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Boundary Dispute Between Santa Ana Pueblo
and San Felipe Pueblo: The Secretary’s Authority to Correct Erroneous
Surveys, Revisiting Part IV of Solicitor’s Opinion on ‘Pueblo
of Sandia Boundary’ 96 I.D. 331 (1998) |
12/27/1999 |
M-36999![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Regulation of Hardrock Mining |
06/09/1999 |
M-36998![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Disposal of Mineral Materials from Unpatented Mining
Claims |
05/22/1998 |
M-36994![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Patenting of Mining Claims and Mill Sites in Wilderness Areas |
04/16/1998 |
M-36993![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Options Regarding Applications for Hardrock Mineral Prospecting Permits on Acquired Lands Near a Unit of the National Park System |
11/19/1997 |
M-36992![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Section 3406(b)(2) of the Central Valley Project Improvement Act |
09/19/1997 |
M-36991![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Whether lands taken in trust for Pokagon Band of Potawatomi Indians should be considered “restored” lands under Indian Gaming Regulatory Act (IGRA) |
11/12/1997 |
M-36990![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Entitlement to a Mineral Patent Under the Mining Law of 1872
|
11/12/1997 |
M-36989![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Managing Areas Eligible for Protection Under the
Wild & Scenic
Rivers Act |
11/07/1997 |
M-36988![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Limitations on Patenting Millsites Under the Mining
Law of 1872 |
12/05/1996 |
M-36987![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
BLM’s Authority to Recover Costs of Mineral
Document Processing |
12/05/1996 |
M-36986![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Control of Surface Coal Mining Operations Under the
Surface Mining Control and Reclamation Act |
08/16/1996 |
M-36985![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Whether the Circle of Nations Wahpeton Indian School
Campus Constitutes Indian Country |
03/22/1996 |
M-36984![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Excess Reserves Under the Mining Law |
02/12/1996 |
M-36983![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
What are Significant Revisions in
the Five-Year Outer Continental Shelf (OCS) Oil and Gas Leasing Program |
03/30/1995 |
M-36982![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Entitlement to Water Under the Southern Arizona Water Rights Settlement Act (SAWRSA) |
11/29/1994 |
M-36981![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Implementation of the Oil Pollution Act of 1990 by the Minerals Management Service |
05/02/1994 |
M-36980![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Secretary’s Authority for Creating the National Biological Survey |
10/04/1993 |
M-36979![PDF Format](https://webarchive.library.unt.edu/eot2008/20090508022351im_/http://www.doi.gov/images/pdf_icon.gif) |
Fishing Rights of the Yorok and Hoopa Valley Tribes |