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cnty24

FGDC XML
Attribute Accuracy Report The attributes have been carefully examined for accuracy based on existing source material and limitations of scale.
Logical Consistency Report Spatial topology meets "Data Standards for Maine Geographic Information Systems", June 2002, no overshoots, slivers, unresolved line segment intersections, open or unlabelled polygons.
Completeness Report Data set is complete.
Horizontal Positional Accuracy Report Approximate horizontal accuracy is 12 meters, assuming source data meets National Map Accuracy Standards. Horizontal positional accuracy for the digital data has been tested by on screen visual comparison to the source.
Horizontal Positional Accuracy Value 12
Horizontal Positional Accuracy Explanation Data was derived from digital data that meets National Map Accuracy Standards for 1:24,000 scale.
Type of Source Media paper and online
Calendar Date 19941228
Time of Day unknown
Source Currentness Reference publication date
Source Citation Abbreviation fips55-3
Source Contribution Federal Information Processing Standard (FIPS) 55-3 provides codes for named populated places, primary county divisions (such as townships and census county divisions), American Indian and Alaska Native areas, and several kinds of facilities. It also provides comparable codes for counties and equivalent legal and statistical entities.
Calendar Date 19710701
Time of Day unknown
Source Currentness Reference publication date
Source Citation Abbreviation geocode
Source Contribution In 1971, all Maine state agencies were requested to implement these five digit geocodes, in agency information systems, to build a base of data for Maine's Minor Civil Divisions (MCDs) and to promote data sharing. Data coded by MCD may subsequently be summarized by any other type of region, administrative district, natural area, etc. The first two digits of the geocode represent the federal (FIPS) code for Maine counties, the remaining three digits uniquely identify each of Maine's MCDs and Reservations. As an information service to state agencies and the public, geocodes for Maine, are now maintained, updated and made available for download, in comma delimited text and .dbf format, through the Maine Office of Geographic Information Systems.
Source Scale Denominator 24000
Type of Source Media stable-base material (mylar)
Beginning Date 19480101
Beginning Time Unknown
Ending Date Present
Ending Time Unknown
Source Currentness Reference publication date
Source Citation Abbreviation 24k
Source Contribution USGS 1:24,000 scale quadrangles represent both natural (contours, coast, ponds, rivers, streams) and manmade (boundaries, roads and other transportation) features of the land. The maps are compiled to National Map Accuracy Standards (+or- 12 meters, or 40 feet, for 1::24,000). Standard 7.5x7.5 minute quadrangles cover geographic areas of 49 to 71 square miles. 1 inch at map scale represents 2000 feet. Publication dates are unique to each quadrangle. USGS quadrangles are available in provisional, full publication and photorevised formats. Map revision is costly and budgetary constraints have limited the publication of revised maps. Over 700 USGS 1::24000 scale quadrangles have been scanned and vectorized to create a set of basemaps for Maine GIS. Where USGS quadrangles are the source of Maine GIS maps, specific information on quadrangle publication dates (which range from 1948 to present) is available and quadrangle (tile) names can be derived by overlay or intersect with the MEGIS statewide tile index, INDEX24.
Source Scale Denominator 24000
Type of Source Media online
Beginning Date 19480101
Beginning Time Unknown
Ending Date 20050822
Ending Time Unknown
Source Currentness Reference source dates
Source Citation Abbreviation metwp24
Source Contribution USGS24k arcs were "put" from METWP24 to complete the Knox county line in Penobscot Bay, and the state line east and south of Washington county.
Source Scale Denominator 100000
Type of Source Media stable-base material (mylar)
Beginning Date 19840101
Beginning Time Unknown
Ending Date 19861231
Ending Time Unknown
Source Currentness Reference publication date
Source Citation Abbreviation 100k
Source Scale Denominator 24000
Type of Source Media online
Beginning Date 1948
Beginning Time Unknown
Ending Date 1999
Ending Time Unknown
Source Currentness Reference source dates
Source Citation Abbreviation coast
Source Scale Denominator 24000
Type of Source Media stable-base material (mylar)
Calendar Date 19780101
Time of Day Unknown
Source Currentness Reference publication date
Source Citation Abbreviation photorev
Process Description CNTY24 version 1, contains state and county boundaries for Maine. The coverage has polygon topology and was created in Arc/Info from METWP24 by a select on arcs coded TYPE = state, county, and coastline. Polygons in the coverage were labeled with COUNTY, CNTYCODE, TAG, LAND, ISLAND. Arcs in the coverage were coded for SOURCE, TYPE and LAND. Coverage attributes were carefully examined for accuracy based on existing source material and limitations of scale. LABEL ERRORS and NODE ERRORS were resolved. The coverage was CLEANED and BUILT with POLYGON topology.
Source Used Citation Abbreviation metwp24
Process Date 20021125
Contact Organization (MEGIS) Maine Office of Geographic Information Systems
Contact Person GIS Coordinator
Contact Position GIS Coordinator
Address Type mailing address
Address State House Station 174
City Augusta
State or Province ME
Postal Code 04333-0174
Country USA
Contact Voice Telephone 207 624-7700
Contact Facsimile Telephone 207 287-3842
Hours of Service Monday through Friday 0800 - 1700 EST
Process Description The item CNTYCODENUM was added to provide a text type and numeric type field for the county code.
Process Date 20050506
Contact Organization (MEGIS) Maine Office of Geographic Information Systems
Contact Person GIS Coordinator
Contact Position GIS Coordinator
Address Type mailing address
Address State House Station 174
City Augusta
State or Province ME
Postal Code 04333-0174
Country USA
Contact Voice Telephone 207 624-7700
Contact Facsimile Telephone 207 287-3842
Hours of Service Monday through Friday 0800 - 1700 EST
Process Description County boundaries were updated to reflect the following town boundary changes:Vienna/Chesterville - Town and County boundary changed per report from town official - FIRM maps and Patten Corp Plan #979 provided to verify change.Leeds/Wayne - Town and County boundary corrected with survey from Leeds.
Process Date 04/07/2010
Contact Organization Maine Office of GIS
Contact Position GIS Coordinator
Address Type mailing address
Address State House Station #174
City Augusta
State or Province Maine
Postal Code 04955
Country USA
Contact Voice Telephone 207-624-7700
Contact Facsimile Telephone 207-287-3842
Cloud Cover 0
Direct Spatial Reference Method Vector
SDTS Point and Vector Object Type Area chain
Point and Vector Object Count 6259
Grid Coordinate System Name Universal Transverse Mercator
UTM Zone Number 19
Scale Factor at Central Meridian 0.999600
Longitude of Central Meridian -69.000000
Latitude of Projection Origin 0.000000
False Easting 500000.000000
False Northing 0.000000
Planar Coordinate Encoding Method 
Abscissa Resolution 1
Ordinate Resolution 1
Planar Distance Units meters
Horizontal Datum Name North American Datum of 1983
Ellipsoid Name Geodetic Reference System 80
Semi-major Axis 6378137
Denominator of Flattening Ratio 298.257
Altitude Resolution 1.000000
Altitude Encoding Method Explicit elevation coordinate included with horizontal coordinates
Entity Type Label CNTY24L
Entity Type Definition arc feature class
Entity Type Definition Source Environmental Systems Research Institute, Inc. (ESRI)
Attribute Label OBJECTID
Attribute Definition Internal feature number.
Attribute Definition Source ESRI
Unrepresentable Domain Sequential unique whole numbers that are automatically generated.
Beginning Date of Attribute Values 
Attribute Label FMPROCSS
Attribute Definition Source Maine Office of GIS
Attribute Domain Values 
Beginning Date of Attribute Values 
Attribute Label FMSRC
Attribute Definition FM item names a SOURCE (general or specific) used for the location of a feature; standardized codes for this item can be used for cross reference in the Source Citation Abbreviation element, part of the Data Quality/Source Information section of FGDC metadata.
Attribute Definition Source Maine Office of GIS
Enumerated Domain 
Beginning Date of Attribute Values 
Attribute Label FMSRCDAT
Attribute Definition This FM item refers to the DATE OF THE SOURCE attributed in FMSRC; can be used as cross reference to Publication Date, part of the Data Quality/Source Information section of FGDC metadata
Attribute Definition Source Maine Office of GIS
Beginning Date of Attribute Values 
Attribute Label FMSRCORG
Attribute Definition Represents a standardized acronym (ME prefix for Maine state agencies, lower-case, no punctuation) for the ORIGIN OF THE SOURCE used for the location of a feature; can be used as a cross reference to the element Originator, and concatenated with the code in FMSRC form a Source Citation Abbreviation in FGDC metadata.
Attribute Definition Source Maine Office of GIS
Enumerated Domain 
Beginning Date of Attribute Values 
Attribute Label FMUPDDAT
Attribute Definition Represents the DATE OF EDIT ON THE LOCATION of the feature. Dates in this item are used for cross reference in the element Process Date part of the compound element Process Step in FGDC metadata.
Attribute Definition Source Maine Office of GIS
Beginning Date of Attribute Values 
Attribute Label FMUPDORG
Attribute Definition Attribute captures information on the ORGANIZATION INITIATING THE EDIT of the feature location. Codes for this item are used as cross reference to the element Process Contact part of the compound element Process Step in FGDC metadata.
Attribute Definition Source Maine Office of GIS
Beginning Date of Attribute Values 
Attribute Label FMNOTE
Attribute Definition Free text
Attribute Definition Source Maine Office of GIS
Beginning Date of Attribute Values 
Attribute Label LAND
Attribute Definition identifies whether arc is over water or land area
Attribute Definition Source Maine Office of GIS
Enumerated Domain Value y
Enumerated Domain Value n
Enumerated Domain Value Definition Arc over land area
Enumerated Domain Value Definition arc over water area
Beginning Date of Attribute Values 
Attribute Label TYPE
Attribute Definition type of boundary represented by arc
Attribute Definition Source Maine Office of GIS
Enumerated Domain Value state
Enumerated Domain Value county
Enumerated Domain Value coastline
Enumerated Domain Value Definition Maine state line
Enumerated Domain Value Definition Maine county line
Enumerated Domain Value Definition Maine coast line or island
Beginning Date of Attribute Values 
Attribute Label SOURCE
Attribute Definition source of linework
Attribute Definition Source Maine Office of GIS
Beginning Date of Attribute Values 
Attribute Label RTAC
Attribute Definition Source MeDEP
Beginning Date of Attribute Values 
Attribute Label Shape
Attribute Definition Feature geometry.
Attribute Definition Source ESRI
Unrepresentable Domain Coordinates defining the features.
Beginning Date of Attribute Values 
Attribute Label Shape.len
Attribute Definition Feature geometry length
Attribute Definition Source ESRI
Beginning Date of Attribute Values 
Entity Type Label CNTY24P
Entity Type Definition polygon feature class
Entity Type Definition Source Environmental Systems Research Institute, Inc. (ESRI)
Attribute Label CNTYCODE
Attribute Definition Code corresponds to the federal (FIPS) code established for each of Maine's sixteen counties. The county code is also represented in the first two digits of Maine's official "Standard Geographic Code (geocode) a five digit code that uniquely identifies minor civil divisions and indian reservations in the Maine.
Attribute Definition Source National Bureau of Standards
Enumerated Domain Value 01
Enumerated Domain Value 03
Enumerated Domain Value 05
Enumerated Domain Value 07
Enumerated Domain Value 09
Enumerated Domain Value 11
Enumerated Domain Value 13
Enumerated Domain Value 15
Enumerated Domain Value 17
Enumerated Domain Value 19
Enumerated Domain Value 21
Enumerated Domain Value 23
Enumerated Domain Value 25
Enumerated Domain Value 27
Enumerated Domain Value 29
Enumerated Domain Value 31
Enumerated Domain Value Definition Androscoggin
Enumerated Domain Value Definition Aroostook
Enumerated Domain Value Definition Cumberland
Enumerated Domain Value Definition Franklin
Enumerated Domain Value Definition Hancock
Enumerated Domain Value Definition Kennebec
Enumerated Domain Value Definition Knox
Enumerated Domain Value Definition Lincoln
Enumerated Domain Value Definition Oxford
Enumerated Domain Value Definition Penobscot
Enumerated Domain Value Definition Piscataquis
Enumerated Domain Value Definition Sagadahoc
Enumerated Domain Value Definition Somerset
Enumerated Domain Value Definition Waldo
Enumerated Domain Value Definition Washington
Enumerated Domain Value Definition York
Beginning Date of Attribute Values 
Attribute Label CNTYCODENUM
Attribute Definition numeric data type equivalent to CNTYCODE field
Attribute Definition Source Maine Office of GIS
Beginning Date of Attribute Values 
Attribute Label COUNTY
Attribute Definition Maine county name
Attribute Definition Source Maine Office of GIS
Enumerated Domain Value Androscoggin
Enumerated Domain Value Aroostook
Enumerated Domain Value Cumberland
Enumerated Domain Value Franklin
Enumerated Domain Value Hancock
Enumerated Domain Value Kennebec
Enumerated Domain Value Knox
Enumerated Domain Value Lincoln
Enumerated Domain Value Oxford
Enumerated Domain Value Penobscot
Enumerated Domain Value Piscataquis
Enumerated Domain Value Sagadahoc
Enumerated Domain Value Somerset
Enumerated Domain Value Waldo
Enumerated Domain Value Washington
Enumerated Domain Value York
Enumerated Domain Value Definition Maine county name
Enumerated Domain Value Definition Maine county name
Enumerated Domain Value Definition Maine county name
Enumerated Domain Value Definition Maine county name
Enumerated Domain Value Definition Maine county name
Enumerated Domain Value Definition Maine county name
Enumerated Domain Value Definition Maine county name
Enumerated Domain Value Definition Maine county name
Enumerated Domain Value Definition Maine county name
Enumerated Domain Value Definition Maine county name
Enumerated Domain Value Definition Maine county name
Enumerated Domain Value Definition Maine county name
Enumerated Domain Value Definition Maine county name
Enumerated Domain Value Definition Maine county name
Enumerated Domain Value Definition Maine county name
Enumerated Domain Value Definition Maine county name
Beginning Date of Attribute Values 
Attribute Label ISLAND
Attribute Definition identifies polygons that represent islands
Attribute Definition Source Maine Office of GIS
Enumerated Domain Value y
Enumerated Domain Value n
Enumerated Domain Value Definition polygon represents coastal, lake or river mouth island
Enumerated Domain Value Definition non-island polygon
Beginning Date of Attribute Values 
Attribute Label LAND
Attribute Definition identifies land and non-land areas
Attribute Definition Source Maine Office of GIS
Enumerated Domain Value y
Enumerated Domain Value n
Enumerated Domain Value Definition Polygon represents land area.
Enumerated Domain Value Definition Polygon represents fresh, estuarine, or marine water area.
Beginning Date of Attribute Values 
Attribute Label TAG
Attribute Definition item used to select a single feature for labeling purposes
Attribute Definition Source Maine Office of GIS
Enumerated Domain Value y
Enumerated Domain Value n
Enumerated Domain Value Definition Use point for labeling.
Enumerated Domain Value Definition Do not use point for labeling.
Beginning Date of Attribute Values 
Entity and Attribute Overview CNTY24 contains state and county boundaries for Maine. The coverage has polygon topology and was created in Arc/Info from METWP24 by a select on arcs coded TYPE = state, county, and coastline. Polygons in the coverage are labeled with COUNTY, CNTYCODE, TAG, LAND, ISLAND. Arcs in the coverage are coded for TYPE and LAND. Please note recommended feature level metadata items FMSRC, FMSRCORG, FMSRCDAT, FMPROCSS, FMUPDORG, FMUPDDAT have been added to the arc coding of this coverage to replace the item SOURCE. These items are intended for use in providing specific information about the source of changes to the location of arc features in the coverage and contain codes that cross reference the elements Source Citation Abbreviation, Source Publication Date, Process Step, Process Contact and Process Date in Federal Geographic Data Committee(FGDC) compliant metadata for the coverage. For more information and tables related to feature level metadata see http://megis.maine.gov/standards/flmeta/fmbrief.htm .
Entity and Attribute Detail Citation The ArcView shapefile and ArcGIS geodatabase formats, commonly used for Maine GIS data, carry default identifiers and attributes that are software generated and/or important for internal recordkeeping. These are listed here to avoid repetition for every layer, and may not be repeated in the attribute descriptions and definitions of each layer. Common software generated identifiers and attributes in Maine GIS data include: FID (feature identifier), Shape (feature geometry), OBJECTID and SHAPE_lengt. In addition, most GIS formats will carry fields for PERIMETER, AREA and/or LENGTH according to feature geometry. These fields are typically available by default, with the units based on coordinate system or projection units of GIS data. Most GIS software packages also provide a means to calculate these values. It is important to test any columns containing PERIMETER, AREA or LENGTH values before using them for analysis purposes. These important values can be carried from format to format and become out-dated. Verify that the values are correct. Also, in your GIS software, please view the properties of data layers for the map units used to calculate these fields, and for the units set for display purposes.
Entity and Attribute Overview CNTY24 contains state and county boundaries for Maine. The coverage has polygon topology and was created in Arc/Info from METWP24 by a select on arcs coded TYPE = state, county, and coastline. Polygons in the coverage are labeled with COUNTY, CNTYCODE, TAG, LAND, ISLAND. Arcs in the coverage are coded for TYPE and LAND. Please note recommended feature level metadata items FMSRC, FMSRCORG, FMSRCDAT, FMPROCSS, FMUPDORG, FMUPDDAT have been added to the arc coding of this coverage to replace the item SOURCE. These items are intended for use in providing specific information about the source of changes to the location of arc features in the coverage and contain codes that cross reference the elements Source Citation Abbreviation, Source Publication Date, Process Step, Process Contact and Process Date in Federal Geographic Data Committee(FGDC) compliant metadata for the coverage. For more information and tables related to feature level metadata see http://megis.maine.gov/standards/flmeta/fmbrief.htm .
Entity and Attribute Detail Citation The ArcView shapefile and ArcGIS geodatabase formats, commonly used for Maine GIS data, carry default identifiers and attributes that are software generated and/or important for internal recordkeeping. These are listed here to avoid repetition for every layer, and may not be repeated in the attribute descriptions and definitions of each layer. Common software generated identifiers and attributes in Maine GIS data include: FID (feature identifier), Shape (feature geometry), OBJECTID and SHAPE_lengt. In addition, most GIS formats will carry fields for PERIMETER, AREA and/or LENGTH according to feature geometry. These fields are typically available by default, with the units based on coordinate system or projection units of GIS data. Most GIS software packages also provide a means to calculate these values. It is important to test any columns containing PERIMETER, AREA or LENGTH values before using them for analysis purposes. These important values can be carried from format to format and become out-dated. Verify that the values are correct. Also, in your GIS software, please view the properties of data layers for the map units used to calculate these fields, and for the units set for display purposes.
Contact Organization (MEGIS) Maine Office of Geographic Information Systems
Contact Person GIS Coordinator
Contact Position GIS Coordinator
Address Type mailing address
Address State House Station 174
City Augusta
State or Province ME
Postal Code 04333-0174
Country USA
Contact Voice Telephone 207 624-7700
Contact Facsimile Telephone 207 287-3842
Hours of Service Monday through Friday 0800 - 1700 EST
Resource Description Downloadable Data
Distribution Liability Users must assume responsibility to determine the usability of this data for their purposes. Although these data have been processed successfully on a computer system at the Maine Office of Geographic Information Systems, no warranty expressed or implied is made by MEGIS regarding the utility of the data on any other system, nor shall the act of distribution constitute any such warranty. Neither the Maine Office of Geographic Information Systems, nor any of its contributors, is liable for misuse of the data, for damage, for transmission of viruses, or for computer contamination through the distribution of these data sets.
Format Name ESRI Shapefile
Format Version Number ARC Version 9.x
Format Specification ArcGIS Shapefile Format
Format Information Content MEGIS has all vector layers in the Maine GIS Internet Data Catalog available in ESRI's ArcGIS shapefile format. A shapefile is a simple non-topological format that stores the geometry and attribute information for a set of geographic features as a set of vector (point, line, polygon) coordinates. Shapefiles draw quickly and directly in ArcView, ArcGIS, ArcExplorer. Shapefiles are a compatible data type for many other types of GIS software. Three files are fundamental to each shapefile: .shp stores the feature geometry (shape and location information); .shx stores the index of the feature geometry; .dbf a dBASE (TM) file stores the attribute information for the features. Other index files may be created to help speed analysis and query: these file formats are .sbn .sbx .ain .aix .fbn and .fbx. In addition you may find projection .prj, and metadata .xml, files associated with shapefiles.\
File Decompression Technique Data available from this website is in .zip compressed format. WinZip is a Windows based, PKZip-compatible compression utility. You will need a program like this to extract the data.
Network Resource Name http://megis.maine.gov/catalog/
[accinstr]  If you are not already a GIS user, free software for viewing these files is available from Environmental Systems Research Institute, Inc. (ESRI) - www.esri.com
Fees Data may be downloaded from Maine GIS Internet Data Catalog at no charge.
Turnaround Data is available for immediate download from the Maine GIS Internet Data Catalog.
Technical Prerequisites If you are not already a GIS user, free software for viewing these files is available from Environmental Systems Research Institute, Inc. (ESRI) http://www.esri.com
Beginning Date 20021125
Ending Date Present
Contact Organization Maine Office of Geographic Information Systems
Contact Position GIS Coordinator
Address Type mailing address
Address State House Station 174
City Augusta
State or Province ME
Postal Code 04333-0174
Country USA
Contact Voice Telephone (207) 624-7700
Contact Facsimile Telephone (207) 287-3842
Hours of Service Monday through Friday 0800 - 1700 EST
Resource Description Downloadable Data
Distribution Liability Users must assume responsibility to determine the usability of this data for their purposes.
Format Name ARCSDE
Format Version Number ArcSDE 9.x
Format Information Content Oracle 9i
[accinstr]  Please contact the Maine Office of GIS (MEGIS) for access instructions.
Fees Access is available through Maine's wide area network; WAN users may contact the Maine Office of Information Technology, Maine Office of Geographic Information Systems (MEGIS) for a login.
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