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  2. List of GIS data sources - Wikipedia

    en.wikipedia.org/wiki/List_of_GIS_data_sources

    Online collection of all digital USGS 1:24K scale topographic maps (as well as various other GIS data) covering the United States, available as a free download. NPScape United States Department of the Interior National Park Service NPScape is a landscape dynamics monitoring project that provides landscape-level data, tools, and evaluations for ...

  3. National Wetlands Inventory - Wikipedia

    en.wikipedia.org/wiki/National_Wetlands_Inventory

    GIS users can access wetlands data through an online wetland mapping service or download data for various applications (maps, data analyses, and reports). The techniques used by NWI have recently been adopted by the Federal Geographic Data Committee as the federal wetland mapping standard (FGDC Wetlands Subcommittee 2009).

  4. Wetlands of the United States - Wikipedia

    en.wikipedia.org/wiki/Wetlands_of_the_United_States

    The Wetlands Geodatabase and the Wetlands Mapper, as an Internet discovery portal, provide technological tools that allow the integration of large relational databases with spatial information and map-like displays. The information is made available to an array of federal, state, tribal, and local governments and the public.

  5. Watershed delineation - Wikipedia

    en.wikipedia.org/wiki/Watershed_delineation

    The watershed area can then be estimated using a planimeter, by overlaying graph paper and counting grid cells, or the result can be digitized for use with mapping software. The same process can be done on a computer, sketching the watershed boundary (with a mouse or stylus) over a digital copy of a topographic map. [1]

  6. Area of Critical Environmental Concern (Massachusetts)

    en.wikipedia.org/wiki/Area_of_Critical...

    The Massachusetts Area of Critical Environmental Concern (ACEC) Program is a list of state-designated places within the Commonwealth that receive special attention due to their natural and cultural resources. The program was established in 1975 and includes a list of thirty ACECs covering over 268,000 acres in seventy six communities throughout ...

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. List of Massachusetts state forests - Wikipedia

    en.wikipedia.org/wiki/List_of_Massachusetts...

    Massachusetts, with forests covering 3,060,000 acres (12,400 km 2) (59%) of its land area, administers more than 500,000 acres (2,000 km 2) [1] of state forest, wildlife and watershed land under the cabinet level Executive Office of Energy and Environmental Affairs.

  9. Boundary (real estate) - Wikipedia

    en.wikipedia.org/wiki/Boundary_(real_estate)

    A unit of real estate or immovable property is limited by a legal boundary (sometimes also referred to as a property line, lot line or bounds). The boundary (in Latin: limes ) may appear as a discontinuation in the terrain: a ditch, a bank, a hedge, a wall, or similar, but essentially, a legal boundary is a conceptual entity, a social construct ...