5.__Geographic information system.__"Geographic information system" or "GIS" means a computer system capable of assembling, storing, manipulating, analyzing and displaying information identified according to locations.__A GIS includes operating personnel, hardware, software and the data that go into the system.

6.__Maine Library of Geographic Information. "Maine Library of Geographic Information" or "library" means the statewide network created pursuant to this subchapter by which data custodians or their designees organize and catalog public geographic information and provide access to that information to all levels of government and to the public.

7.__Nonstate data custodian.__"Nonstate data custodian" means any agency or instrumentality of a political subdivision of the State.

8.__ Public geographic information.__"Public geographic information" means public information that is referenced to a physical location.__Public geographic information includes, but is not limited to, physical, legal, economic or environmental information or characteristics concerning land, water, groundwater, subsurface resources or air in this State relating to:

A.__Topography, soil, soil erosion, geology, minerals, vegetation, land cover, wildlife and associated natural resources;

B.__Land ownership, land use, land use controls and restrictions, jurisdictional boundaries, tax assessments, land value and land survey records and references; and

C.__Geodetic control networks, aerial photographs, maps, planimetric data, remote sensing data, historic and prehistoric sites and economic projections.

9.__Public information.__"Public information" means information that is stored, gathered, generated, maintained or financed by a data custodian.__Information of state and nonstate data custodians is public information only if it is either:

A.__A public record under Title 1, section 402, subsection 3; or

B.__Otherwise expressly authorized by law to be released.