Only one week is left for such prestigious contest of USA on natureRules:- 1. Entry: To enter the Contest, submit a photograph of a National Natural Landmark (NNL). Each entrant may submit up to three (3) photos to the Contest, but no more than one (1) photo of a particular NNL site. The photographs must have been taken by the entrant who holds all the rights therein. Complete and submit the Official Entry Form for each photo entered. To enter by mail, submit all entry materials to: Heather Germaine, National Natural Landmarks Photo Contest, National Park Service, 12795 W Alameda Pkwy, Lakewood, CO 80228. E-mailed entries, with electronically completed entry form, will also be accepted. E-mail entries to NNLPhotoContest@nps.gov. All entries must be postmarked or e-mailed no later than June 30, 2013. 2. Format: Digital, print, and slide photography are eligible. Digital images are preferred and must be a minimum pixel size of 1600 x 1200 and minimum 300 DPI (dots per inch). Photographs not meeting this requirement may be disqualified from competition. Uncompressed TIFF file format is preferred however, JPEG format will also be accepted. Due to the nature of the calendar format, panoramic photographs are discouraged. Digital images can have minimal manipulation such as cropping and exposure adjustments, but not cutting and pasting or other advanced techniques that change the composition of the scene or create end products that do not reflect the scene as it appeared in reality. Submit digital images either on CD or via e-mail. Print entries must be a minimum size of 8 x 10 inches. Print and slide entries should be clean and free of fingerprints and dust. 3. Winner Selection: Thirteen (13) winning photographs will be selected by vote and announced in September 2013. Winners will be notified by e-mail, U.S. mail or by phone. 4. Prize: Winning photographs will appear in the 2014 NNL calendar. Each of the winning entrants will receive five (5) copies of the calendar. First, second and third place winners will be recognized and will receive a NNL related prize in addition to the calendars. Limit is one (1) NNL prize per entrant. 5. Eligibility: This Contest is open to persons who are eighteen (18) years of age or older at the time of entry. Void where prohibited by law. To promote greater diversity of NNL sites represented in the annual contest and calendar, images of the 13 NNL sites featured in large format in the current year?s calendar will not be accepted. 6. General Conditions: Photos may not include images of identifiable persons. Contest entrants agree to abide by the terms of these Official Rules and by the decisions of the judges, which are final on all matters pertaining to the Contest. This Contest is governed by the laws of the United States. All applicable federal, state and local laws and regulations apply. All Contest materials submitted to the National Park Service will not be returned to the entrant. Submission of an entry shall constitute the grant of a non-exclusive, royalty free license to the National Park Service, and its? sublicensees, to reproduce, display, prepare derivative works, distribute to the public by sale or other transfer, and to utilize the photograph submitted for any governmental purpose, including but not limited to publication on the World Wide Web, interpretive publications, and commercial uses. Entrants further grant to the National Park Service the right of use and to publish their proper name and state of residence on the World Wide Web and in print, or in any other media in connection with the Contest. Acceptance of a prize constitutes permission for the National Park Service to use winners? names and likeness for promotional purposes without additional compensation. 7. Additional permissions: If the entrant is not the property owner of the photographed NNL and the NNL is not open to the public, the entrant must obtain and submit written authorization from the property owner, agreeing to the conditions on the Official Entry Form. Entrants will not enter onto NNL sites that are not open to the public without permission from the property owner. If you are unsure whether a site is open to the public or not, please consult the National Natural Landmarks Guide (by state) on the web at http://www.nature.nps.gov/nnl/ or contact the appropriate NNL Field Coordinator listed on the Contacts link.