National Recreation and Park Association | 20 REFERENCES City Parks Alliance, Why Are Parks Important to Cities? http://www.cityparksalliance.org/action-center/mayors-for-parks/why-are-parks-important-to-cities. Cullinane Thomas, C., C. Huber, and L. Koontz. 2014. 2013 National Park Visitor Spending Effects: Economic Contributions to Local Communities, States, and the Nation. Natural Resource Report NPS/NRSS/EQD/ NRR—2014/824. National Park Service, Fort Collins, Colorado Cullinane Thomas, C., C. Huber, and L. Koontz. 2015. 2014 National Park Visitor Spending Effects: Economic Contributions to Local Communities, States, and the Nation. Natural Resource Report NPS/NRSS/EQD/ NRR—2015/947. National Park Service, Fort Collins, Colorado. International Association of Amusement Parks and Attractions. The Economic Impacts of the U.S. Attractions Industry 2011. Oxford Economics. Theme parks, family entertainment centers, historical sites, museums, nature parks, water parks, zoos, aquariums, botanical gardens. Southwick Associates 2011. The Economics Associated with Outdoor Recreation, Natural Resources Conservation and Historic Preservation in the United States. Prepared for The National Fish and Wildlife Foundation http://www.trcp.org/assets/pdf/The_Economic_Value_of_Outdoor_Recreation.pdf Public Policy Associates, Inc. (2007). Measuring the Economic Value of Recreation, Programs and Parks: A How-To Guide. Michigan Recreation and Park Association. Available at http://www.mparks.org/Portals/0/ Resource-Center/Justifying%20Parks%20and%20Recreation/Economic%20Impact/Guide%20to%20Measuring%20Economic%20Value%20of%20Parks%20and%20Recreation%20-%20MRPA.pdf
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