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Research papers (RPs) provide results, analyses, conclusions of formal studies.
Resources provided by USDA specific to the Eastern U.S. forests and parks. Includes Minnesota south to Missouri and east to Maine to West Virginia
This project aims to document all the vascular plants of a region that is key to the understanding of plant biodiversity and plant conservation in the Neotropics. We will also assess which plant species are most important for conservation.

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For the 100 largest cities in the US, the Trust for Public Land developed the ParkScore® index. This index is the most comprehensive rating system ever developed to measure how well the 100 largest U.S. cities are meeting the need for parks. Cities are awarded points based on our analysis of four important characteristics of an effective park system: acreage, investment, amenities, and access. Cities can earn a maximum ParkScore® of 100.
The Pubs Warehouse provides access to over 130,000 publications written by USGS scientists over the century-plus history of the bureau.