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worm

FGDC XML
Attribute Accuracy Report Attribute accuracy was spot checked by manual comparison of the source with hard copy printouts and/or symbolized display of digital files. Please report errors to Maine Office of GIS.
Logical Consistency Report Spatial topology meets Maine GIS Data Standards.
Completeness Report Data set is complete.
Horizontal Positional Accuracy Report The locational accuracy of WORM polygons is unknown. Data was compiled on a 1:24000 scale base and is considered suitable for use at 1:24,000 scale.
Horizontal Positional Accuracy Value 12
Horizontal Positional Accuracy Explanation The locational accuracy of WORM polygons is unknown. Data was compiled on a 1:24000 scale base.
Vertical Positional Accuracy Report Not applicable
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 Contribution WORM represents a composite of the 1:24000 scale coastline with polygons digitized from paper maps.
Source Scale Denominator 999999
Type of Source Media paper
Calendar Date 19801001
Time of Day Unknown
Source Currentness Reference publication date
Source Citation Abbreviation eccm
Source Contribution WORM contains generalized representations of areas where commercially harvested marine worms were known to exist in the mid - 70's. Original maps were created by MDMR and published by USF&WS as part of the "Ecological Characteristics of Coastal Maine".
Process Description WORM provides a generalized representation at 1:24,000 scale of commercially harvested marine worm habitat in Maine, based on Maine Department of Marine Resources data from 1970's. Original maps were created by MDMR and published by USF&WS as part of the "Ecological Characteristics of Coastal Maine".
Source Used Citation Abbreviation coast
Source Used Citation Abbreviation eccm
Process Date 1994
Contact Organization (MEDMR) Maine Department of Marine Resources
Contact Position GIS Specialist
Address Type mailing address
Address PO Box 8
City West Boothbay Harbor
State or Province ME
Postal Code 04575
Country USA
Contact Voice Telephone (207) 633-9507
Contact Facsimile Telephone (207) 633-9579
Hours of Service Monday through Friday 0800 - 1700 EST
Process Description The Maine Office of GIS completed the conversion of all final data layers from NAD27 to NAD83 in July 1999. All the data layers were converted using the ArcInfo (version 7.2.1) NADCON conversion and the "project" command. All data was copied to double precision, projected to NAD83, and then copied back to single precision. It was decided to keep the NAD27 quad structure instead of generating new quad boundaries from NAD83 coordinates - all indexes (quads) were projected to NAD83 by using the same process previously described. All MEGIS data libraries in ArcInfo Librarian were repopulated using the NAD83 indexes and data.
Process Date 19990701
Contact Organization (MEGIS) Maine Office of Geographic Information Systems
Contact Position GIS Coordinator
Address Type mailing address
Address State House Station 145
City Augusta
State or Province ME
Postal Code 04333-0145
Country USA
Contact Voice Telephone (207) 624-7700
Contact Facsimile Telephone (207) 287-3842
Hours of Service Monday through Friday 0800 - 1700 EST
Cloud Cover 0
Direct Spatial Reference Method Vector
SDTS Point and Vector Object Type Area chain
Point and Vector Object Count 305
[smcaptur]  true
Grid Coordinate System Name 
UTM Zone Number 19
Scale Factor at Central Meridian 0.9996
Longitude of Central Meridian -69
Latitude of Projection Origin 0
False Easting 500000
False Northing 0
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
Entity Type Label WORMPoly
Entity Type Definition polygon feature class
Entity Type Definition Source Environmental Systems Research Institute, Inc. (ESRI)
Attribute Label WORMHAB
Attribute Definition identifies areas of commercially harvested marine worms
Attribute Definition Source user defined
Enumerated Domain Value 0
Enumerated Domain Value Definition area with no known commercial harvest of marine worms
Enumerated Domain Value 1
Enumerated Domain Value Definition area with known commercial harvest of marine worms
Beginning Date of Attribute Values 
Entity Type Label WORMArc
Entity Type Definition arc feature class
Entity Type Definition Source Environmental Systems Research Institute, Inc. (ESRI)
Attribute Label TYPE
Attribute Definition separates coastline from habitat arcs
Attribute Definition Source user defined
Enumerated Domain Value 1
Enumerated Domain Value Definition coastline
Enumerated Domain Value 2
Enumerated Domain Value Definition habitat arcs noncoincident with coastline
Beginning Date of Attribute Values 
Entity and Attribute Overview WORM contains generalized representations of areas where commercially harvested marine worms were known to exist in the mid - 70's.
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 WORM contains generalized representations of areas where commercially harvested marine worms were known to exist in the mid - 70's.
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 Position GIS Coordinator
Address Type mailing address
Address State House Station 145
City Augusta
State or Province ME
Postal Code 04333-0145
Country USA
Contact Voice Telephone (207) 624-7700
Contact Facsimile Telephone (207) 287-3842
Hours of Service Monday through Friday 0800 - 1700 EST
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 ArcView Shapefile Format
Format Information Content MEGIS has made all vector layers, in the Maine GIS Internet Data Catalog, available in ESRI's ArcView 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. A link to a trial copy WinZip software is available at http://megis.maine.gov/links/.
Network Resource Name http://megis.maine.gov/catalog/
[smhyperl]  -1
[accinstr]  These data are available to Internet browsers for download from the Maine GIS Internet Data Catalog. 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. A link to a trial copy WinZip software is available at http://megis.maine.gov/links/. If you are not already a GIS user, free software for viewing these files is available from Environmental Systems Research Institute, Inc. (ESRI). See http://megis.maine.gov/links/ for a link to ArcExplorer 9.x .
[smdistty]  1
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.
Beginning Date 19990101
Beginning Time Unknown
Ending Date Present
Ending Time Unknown
Contact Organization (MEGIS) Maine Office of Geographic Information Systems
Contact Position GIS Coordinator
Address Type mailing address
Address State House Station 145
City Augusta
State or Province ME
Postal Code 04333-0145
Country USA
Contact Voice Telephone (207) 624-7700
Contact Facsimile Telephone (207) 287-3842
Hours of Service Monday through Friday 0800 - 1700 EST
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.
[smdistty]  1
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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