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Search for community gardens in the 5 boroughs of New York City
The second edition of Soil Taxonomy, A Basic System of Soil Classification for Making and Interpreting Soil Surveys is now available here in PDF format for printing or viewing.
Searchable database of community gardens in the United States and Canada hosted by the American Community Garden Association.
County Natural Heritage Inventories showcase PNHP's conservation science efforts by combining and presenting information on important natural areas, habitat for rare plants and animals, and other important natural resources in Pennsylvania.
Unique or rare historical primary sources, digitized from leading societies, libraries, and archives around the world.