Greenways--Washington Metropolitan Area--Planning.; Open spaces--Washington Metropolitan Area--Planning.
Preserved in the OCLC Digital Archive. Harvested from http://www.mwcog.org/uploads/pub-documents/C11d20031105135020.pdf on Aug. 30, 2007.; Harvested from the web on 8/30/07
Land use--Maryland--Planning.; Land use--Multiple use--Maryland.; Strategic planning--Maryland.; Recreation--Maryland.; Conservation of natural resources--Maryland.
"August 1996."; Preserved in OCLC Digital Archive. Harvested from http://www.dnr.state.md.us/irc/docs/00002283.pdf on 12/17 2010.
Title from title screen (viewed July 15, 2009).; Preserved in the OCLC Digital Archive. Harvested from http://www.orrgroup.org/documents/July2009_Great-Outdoors-America-report.pdf on July 15, 2009.; Research staff: Margaret Walls, Sarah Darley,...
Introduced organisms--Ohio.; Biological invasions--Ohio.; Nonindigenous pests--Ohio.; Invasive plants--Ohio.; Nonindigenous aquatic pests--Great Lakes (North America); Marine biological invasions--Great Lakes (North America)
Preserved in the OCLC Digital Archive. Harvested from http://www.necis.ws/wp-content/uploads/2010/11/Invasive-Species-in-Ohio-Pathways-Policies-and-Costs.pdf on April 26, 2011.
Environmental protection--Washington (D.C.); Conservation of natural resources--Washington (D.C.)
Written by Nancy Stoner ... [et al.] ; edited by Nadia Steinzor (p. 2).; Title from title screen (viewed Nov. 26, 2007).; Also available in the OCLC Digital Archive. Harvested from http://www.foe.org/camps/reg/dcen/DCENAGENDA80306.pdf on July 9,...
Maryland Agricultural Land Preservation Foundation--Periodicals.; Land use, Rural--Government policy--Maryland--Periodicals.
Preserved in OCLC Digital Archive. Harvested from http://www.malpf.info/reports.html; Description based on: FY 1982; title from cover.; Latest issue consulted: 1998.
"Publication date: 5/01"--P. [2] of cover.; "June 2000"--Cover.; Preserved in OCLC Digital Archive. Harvested from http://dnr.maryland.gov/criticalarea/tweetyjune_2000.pdf on 5/28/2010.; Includes bibliographical references (p. 33-34).
Climatic changes--Environmental aspects--Connecticut.; Global temperature changes--Environmental aspects--Connecticut.; Global warming--Connecticut.; Connecticut--Climate.
Title from PDF title page (viewed August 2, 2010).; Preserved in the OCLC Digital Archive. Harvested from http://www.edf.org/documents/3504_ct-climate_09_view.pdf on Aug. 4, 2010.; Includes bibliographical references (p. 36-41).
United States. Congress (107th : 2001-2002); Environmental policy--United States.; Environmental protection--United States.; Conservation of natural resources--Law and legislation--United States.
"December 2002."; Also available in print.; Title from PDF title screen (viewed on August 13, 2010); Preserved in the OCLC Digital Archive. Harvested from http://www.nrdc.org/legislation/107congress/107congress.pdf on Aug. 20, 2010.
Water quality--Potomac River Watershed.; Water quality management--Potomac River Watershed.; Water quality biological assessment--Potomac River Watershed.
Annual; 2007-; Title from title screen (viewed Jan. 30, 2008).; Also available in the OCLC Digital Archive. Harvested from http://www.potomac.org/site/wp-content/uploads/pdfs/SONR-2007.pdf (2007) on Nov. 24, 2007 and...
Transportation--Environmental aspects--United States.; Land use--Environmental aspects--United States.; Habitat conservation--United States.
Electronic document (1 PDF file ; 80 p.).; Title from title screen (viewed July 30, 2003).; Includes bibliographical references.; Harvested from the web on 7/5/07
Annual; 1st (July, 1989)-; Title from cover. Preserved in OCLC Digital Archive. Harvested from http://www.mdstad.com/index.php?option=com_content&task=view&id=20&Itemid=34 on 2/23/09.