# Lake_polygons_200403

Metadata also available as

## Metadata:

- Identification_Information
- Data_Quality_Information
- Spatial_Data_Organization_Information
- Spatial_Reference_Information
- Entity_and_Attribute_Information
- Distribution_Information
- Metadata_Reference_Information

Identification_Information:
  Citation:
    Citation_Information:
      Originator:
        James Breck, Michigan Department of Natural Resources, Fisheries Division, Institute for Fisheries Research
      Publication_Date: 200403
      Title: Lake_polygons_200403
      Edition: 200403
      Geospatial_Data_Presentation_Form: vector digital data
      Publication_Information:
        Publication_Place: Institute for Fisheries Research, Ann Arbor, Michigan
        Publisher:
          Michigan Department of Natural Resources, Fisheries Division, IFR
      Other_Citation_Details:
        This dataset is constantly evolving. When a substantial number of edits have been made, a new version will be released. Please cite the version you are using.
      Online_Linkage: Lake_polygons_200403.shp
      Larger_Work_Citation:
        Citation_Information:
          Originator:
            James Breck, MDNR, Fisheries Division, Institute for Fisheries Research
          Title: Digital Water Atlas of Michigan
  Description:
    Abstract:
      This dataset was released by James Breck, Michigan Department of Natural Resources, at the Institute for Fisheries Research. The statewide Michigan Hydrography Framework (version?) (based upon TIGER/Line Files, including basemap features based on both MDNR MIRIS files and enhanced linear referencing system built from the Michigan Accident Location Index (MALI)) was utilized as the basis of this dataset. Lake polygons present in this layer were edited (shape, attributes, location, duplicate representations for a lake in multiple counties), created for lakes that were detemined to be missing, and adjusted to reflect our current knowledge of the waterbodies throughout the state. For each lake (~10 acres or larger), a "New-Key" was assigned, based upon Humphrys and Green (1962). This unique identifier serves to link these saptial representations to numerous datasets (historical, current, and future) containing information pertaining to water quality, depth, origin, etc..
    Purpose:
      This dataset was developed from the Michigan Hydro framework to represent our most current information on lake area and location. It is intended for inclusion in the Digital Water Atlas of Michigan (based upon the 1:100K NHD). It is for use by state agency employees and individuals for pursuits related to the improvment of inland lake information or those assessing the state of water quality and aquatic resources in Michigan.
    Supplemental_Information:
      See <http://ifrgis.org> for more information on the Digital Water Atlas and other GIS efforts at the Institute for Fisheries Research.
  Time_Period_of_Content:
    Time_Period_Information:
      Range_of_Dates/Times:
        Beginning_Date: 200403
        Ending_Date: unknown
    Currentness_Reference: publication date
  Status:
    Progress: In work
    Maintenance_and_Update_Frequency: Continually
  Spatial_Domain:
    Bounding_Coordinates:
      West_Bounding_Coordinate: -90.506130
      East_Bounding_Coordinate: -82.127904
      North_Bounding_Coordinate: 48.185153
      South_Bounding_Coordinate: 41.636634
  Keywords:
    Theme:
      Theme_Keyword_Thesaurus: none
      Theme_Keyword: Lakes
      Theme_Keyword: Michigan
      Theme_Keyword: Inland waters
      Theme_Keyword: Digital Water Atlas
      Theme_Keyword: Hydrography
    Place:
      Place_Keyword_Thesaurus: none
      Place_Keyword: Lower Peninsula
      Place_Keyword: Upper Peninsula
    Temporal:
      Temporal_Keyword: Current
  Access_Constraints:
    This dataset is a work in progress, and relevant for the date it is published. If this dataset is used, please cite Jim Breck and the Digital Water Atlas of Michigan.
  Use_Constraints:
    Though this dataset represents our most current and up to date information on the lakes of Michigan (~10 acres and larger), it is under continual improvement and modifications are made frequently. The latest set of improvements are made and are reflected in the name of the file (lakes_polygons_200403.shp was created in March of 2004).
  Point_of_Contact:
    Contact_Information:
      Contact_Person_Primary:
        Contact_Person: Dr. James Breck
        Contact_Organization:
          Michigan Department of Natural Resources, Fisheries Division, Institute for Fisheries Research
      Contact_Position: Research Biologist
      Contact_Address:
        Address_Type: mailing and physical address
        Address: 212 Museums Annex Building, 1109 North University Ave.
        City: Ann Arbor
        State_or_Province: Michigan
        Postal_Code: 48109-1084
        Country: USA
      Contact_Voice_Telephone: 734/ 663-3554 x 110
      Contact_Facsimile_Telephone: 734/ 663-9399
      Contact_Electronic_Mail_Address: breckj@michigan.gov
      Hours_of_Service: Monday - Friday, 8:00 am - 5:00 pm
      Contact_Instructions: Please call or email with questions.
  Data_Set_Credit:
    The original basemap used to produce this map was made available to the Institute for Fisheries Research by the Michigan Department of Natural Resources, Center for Geographic Information. "It was derrived from the US Census Bureau based TIGER line files and the Michigan DNR's MIRIS files (contaiing features that were digitized from USGS topographic quads), MI Dpet. of Transportation ACT51 maps through 1999, Qualified Voter File project (QVF) maps begun in 1997, 1992 and 1997 Michigan State University aerial photos, 1992-2000 USGS Digitial Ortho Quad photos." Quoted information was taken from a set of example metadata (http:mic-cluster.state.mi.us/webapp/cgi/framework/metadata/Washtenaw.html ) Numerous additions of lakes, modification of lake shape and attribution were made reflecting local knowledge, as well as historical records.
  Native_Data_Set_Environment:
    Microsoft Windows 2000 Version 5.0 (Build 2195) Service Pack 3; ESRI ArcCatalog 8.2.0.700; ArcGIS v8.2

Data_Quality_Information:
  Attribute_Accuracy:
    Attribute_Accuracy_Report:
      The attributes assigned to the polygons representing lakes are accurate to the best of our knowledge. Acreage (Acres_GIS to the nearest 0.001 acres) was determined by software (ArcGIS) calculations. Lake names were derrived from the framework, and altered if deemed necessary.
  Logical_Consistency_Report:
    These lake features present in the Michigan Hydrologic Framework (version ?) were included as the basemap. Since acquiring this spatial dataset in 199????, many edits were made to both the spatial representation and attributes. Largely, this information, shares the consistency of the Michigan Hydrologic Framework. While improving the framework's spatial representation and attributes, a "New_Key" was added to each lake polygon so that it could be linked to other sources of data, namely the database of MI lakes compiled here at the Institute for Fisheries Research.
  Completeness_Report:
    It is complete and represents the truth, to the best of our knowledge.
  Positional_Accuracy:
    Horizontal_Positional_Accuracy:
      Horizontal_Positional_Accuracy_Report:
        The original Michigan Hydrologic Framework basemaps (source of the polygon file for lakes) were digitized from TIGER/Line Files and 7.5 Minute USGS topogrpahic quadrangles in Microstation using an error of 0.02% or less.
      Quantitative_Horizontal_Positional_Accuracy_Assessment:
        Horizontal_Positional_Accuracy_Value: 80 feet
        Horizontal_Positional_Accuracy_Explanation: Accurracy value = +/- 80 feet
  Lineage:
    Source_Information:
      Source_Citation:
        Citation_Information:
          Originator: Michigan Center for Geographic Information
          Publication_Date: Unknown
          Publication_Time: Unknown
          Title: Michigan Geographic Framework
          Geospatial_Data_Presentation_Form: vector digital data
          Other_Citation_Details:
            See the State of Michigan's Spatial Data Library for more details on the Michigan Geographic Framework.
          Online_Linkage:
            <http://www.dnr.state.mi.us/spatialdatalibrary/metadata/base24k_metadata.htm>
      Source_Scale_Denominator: 1:24,000 Michigan Hydrological Framework
      Type_of_Source_Media: online
      Source_Time_Period_of_Content:
        Time_Period_Information:
          Range_of_Dates/Times:
            Beginning_Date: 20040302
            Beginning_Time: unknown
            Ending_Date: unknown
        Source_Currentness_Reference: publication date
      Source_Citation_Abbreviation: MGF
      Source_Contribution:
        Michigan Center for Geographic Information MDNR, Land and Mineral Services Division Resource Mapping and Aerial Photography 111 S. Capital Ave., 10th Floor Lansing, MI 48933 USA
    Process_Step:
      Process_Description:
        Upon importing the waterbody features from the Michigan Geographic Framework basemap into a shapefile, numerous edits have been made which resulted in the current layer. Edits were made to update lakes that no longer exist, lakes that recently were created, and to reflect other alterations to the hydrology, as determined by visual inspection of the state of Michigan's aerial photos, digital raster graphics, or other exisiting Michigan frameowrk.
      Process_Date: 20021204
      Process_Contact:
        Contact_Information:
          Contact_Person_Primary:
            Contact_Person: Dr. James Breck
            Contact_Organization:
              Michigan Department of Natural Resources, Fisheries Division, Institute for Fisheries Research
          Contact_Position: Research Biologist
          Contact_Voice_Telephone: 734/ 663-3554 x110
          Contact_Facsimile_Telephone: 734/ 663-9399
          Contact_Electronic_Mail_Address: breckj@michigan.gov
          Hours_of_Service: Monday - Friday 8:00am - 5:00pm
          Contact_Instructions: Please call or email with questions.
    Process_Step:
      Process_Description: Dataset copied.
      Source_Used_Citation_Abbreviation:
        E:\dwa\data_sent\cgi_200403\lake_polygons_200403\Lake_polygons_200403

Spatial_Data_Organization_Information:
  Direct_Spatial_Reference_Method: Vector
  Point_and_Vector_Object_Information:
    SDTS_Terms_Description:
      SDTS_Point_and_Vector_Object_Type: G-polygon
      Point_and_Vector_Object_Count: 70415

Spatial_Reference_Information:
  Horizontal_Coordinate_System_Definition:
    Planar:
      Map_Projection:
        Map_Projection_Name: Oblique Mercator
        Oblique_Mercator:
          Scale_Factor_at_Center_Line: 0.999600
          Oblique_Line_Azimuth:
            Azimuthal_Angle: 337.255560
            Azimuth_Measure_Point_Longitude: -86.000000
          Latitude_of_Projection_Origin: 45.309166
          False_Easting: 2546731.496000
          False_Northing: -4354009.816000
      Planar_Coordinate_Information:
        Planar_Coordinate_Encoding_Method: coordinate pair
        Coordinate_Representation:
          Abscissa_Resolution: 0.001024
          Ordinate_Resolution: 0.001024
        Planar_Distance_Units: meters
    Geodetic_Model:
      Horizontal_Datum_Name: North American Datum of 1983
      Ellipsoid_Name: Geodetic Reference System 80
      Semi-major_Axis: 6378137.000000
      Denominator_of_Flattening_Ratio: 298.257222

Entity_and_Attribute_Information:
  Detailed_Description:
    Entity_Type:
      Entity_Type_Label: Lake_polygons_200403
      Entity_Type_Definition:
        Lake polygon layer for the state of Michigan; spatial representation and attributes are inlcuded in this dataset.
    Attribute:
      Attribute_Label: FID
      Attribute_Definition: Internal feature number.
      Attribute_Definition_Source: ESRI
      Attribute_Domain_Values:
        Range_Domain:
    Attribute:
      Attribute_Label: Shape
      Attribute_Definition: Feature geometry.
      Attribute_Definition_Source: ESRI
      Attribute_Domain_Values:
        Unrepresentable_Domain: Coordinates defining the features.
      Attribute_Measurement_Frequency: As needed
    Attribute:
      Attribute_Label: AREA
      Attribute_Definition: Area calculated by software
      Attribute_Definition_Source: ESRI
      Attribute_Measurement_Frequency: Unknown
    Attribute:
      Attribute_Label: PERIMETER
      Attribute_Definition: Perimeter calculated by software
      Attribute_Definition_Source: ESRI
    Attribute:
      Attribute_Label: LAKE_TYPE
      Attribute_Definition: Object is classified as a lake, island, or stream.
      Attribute_Definition_Source: MDNR Fisheries Division
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: Lake
          Enumerated_Domain_Value_Definition: Polygon classified as a lake.
        Enumerated_Domain:
          Enumerated_Domain_Value: Island
          Enumerated_Domain_Value_Definition: Polygon classified as an island.
    Attribute:
      Attribute_Label: NAME
      Attribute_Definition: Name of lake
      Attribute_Definition_Source: MDNR Institute for Fisheries Research
    Attribute:
      Attribute_Label: UNIQUE_ID
      Attribute_Definition:
        Unique_ID assigned to each feature (island, lake, stream) in shapefile.
      Attribute_Definition_Source: Uncertain
    Attribute:
      Attribute_Label: LAKE_NAME
      Attribute_Definition:
        "Those names appearing on the United States Geological Quadrangles are given highest presedence."
      Attribute_Definition_Source: Humphrys and Green. 1962. Michigan Lake Inventory.
    Attribute:
      Attribute_Label: COUNTY
      Attribute_Definition: County where the lake's outpour resides.
      Attribute_Definition_Source: MDNR Institute for Fisheries Research
    Attribute:
      Attribute_Label: NOTE24
      Attribute_Definition: Additional information regarding edits performed to this item.
      Attribute_Definition_Source: MDNR Institute for Fisheries Research
    Attribute:
      Attribute_Label: NEW_KEY
      Attribute_Definition:
        "Unique code for a given water (eg. 72-117), based on the county numbers and lake numbers assigned by Humphrys and Green (1962). Portions of a lake in different counties have the sam e New_Key, and bears the county number of where lake's outpour resides."
      Attribute_Definition_Source: Humphrys and Green. 1962. Michigan Lake Inventory.
    Attribute:
      Attribute_Label: HECTARES
      Attribute_Definition: Area in hectares calculated by software (Area*0.0001).
      Attribute_Definition_Source: MDNR Institute for Fisheries Research
      Attribute_Domain_Values:
    Attribute:
      Attribute_Label: ACRES_GIS
      Attribute_Definition:
        Area in acres calculated by software (Area/4046.8564224) to the nearest 0.001.
      Attribute_Definition_Source: MDNR Institute for Fisheries Research
      Attribute_Domain_Values:
    Attribute:
      Attribute_Label: FMU
      Attribute_Definition:
        Designation of which MDNR Fisheries Management Unit the lake falls in.
      Attribute_Definition_Source: MDNR Fisheries Division
      Attribute_Domain_Values:
        Enumerated_Domain:
          Enumerated_Domain_Value: LSE
          Enumerated_Domain_Value_Definition: Eastern Lake Superior Management Unit
          Enumerated_Domain_Value_Definition_Source: Michigan DNR Fisheries Division
        Enumerated_Domain:
          Enumerated_Domain_Value: LSW
          Enumerated_Domain_Value_Definition: Western Lake Superior Management Unit
          Enumerated_Domain_Value_Definition_Source: Michigan DNR Fisheries Division
        Enumerated_Domain:
          Enumerated_Domain_Value: LMN
          Enumerated_Domain_Value_Definition: Northern Lake Michigan Management Unit
          Enumerated_Domain_Value_Definition_Source: Michigan DNR Fisheries Division
        Enumerated_Domain:
          Enumerated_Domain_Value: LMC
          Enumerated_Domain_Value_Definition: Central Lake Michigan Management Unit
          Enumerated_Domain_Value_Definition_Source: Michigan DNR Fisheries Division
        Enumerated_Domain:
          Enumerated_Domain_Value: LMS
          Enumerated_Domain_Value_Definition: Southern Lake Michigan Management Unit
          Enumerated_Domain_Value_Definition_Source: Michigan DNR Fisheries Division
        Enumerated_Domain:
          Enumerated_Domain_Value: LE
          Enumerated_Domain_Value_Definition: Lake Erie Management Unit
          Enumerated_Domain_Value_Definition_Source: Michigan DNR Fisheries Division
        Enumerated_Domain:
          Enumerated_Domain_Value: LHS
          Enumerated_Domain_Value_Definition: Southern Lake Huron Management Unit
          Enumerated_Domain_Value_Definition_Source: Michigan DNR Fisheries Division
        Enumerated_Domain:
          Enumerated_Domain_Value: LHN
          Enumerated_Domain_Value_Definition: Northern Lake Huron Managment Unit
          Enumerated_Domain_Value_Definition_Source: Michigan DNR Fisheries Division
  Overview_Description:

Distribution_Information:
  Distributor:
    Contact_Information:
      Contact_Person_Primary:
        Contact_Person: Dr. James Breck
        Contact_Organization:
          Michigan Department of Natural Resources, Institute for Fisheries Research
      Contact_Position: Research Biologist
      Contact_Address:
        Address_Type: mailing and physical address
        Address: 212 Museums Annex Building, 1109 North University Ave.
        City: Ann Arbor
        State_or_Province: MI
        Postal_Code: 48109
        Country: USA
      Contact_Voice_Telephone: 734/ 663-3554 x110
      Contact_Facsimile_Telephone: 734/ 663-9399
      Contact_Electronic_Mail_Address: breckj@michigan.gov
      Hours_of_Service: Monday - Friday, 8:00 am - 5:00 pm
      Contact_Instructions: Please call or email.
  Resource_Description: Data is downloadable and available on CD.
  Distribution_Liability:
    The Michigan Department of Natural Resources is not liable for any conclusions made based from this information. Although we believe it to be accurrate to the best of our knowledge, we claim no responsibility for decisions based on these data.
  Standard_Order_Process:
    Digital_Form:
      Digital_Transfer_Information:
        Format_Name: SDTS
        Format_Version_Number: most recent, as reflected in the date in filename
        Format_Specification: Shapefile format
        Transfer_Size: 47.914
    Ordering_Instructions: Email contact person for the specific details.
    Turnaround: As time allows
  Available_Time_Period:
    Time_Period_Information:
      Single_Date/Time:
        Calendar_Date: unknown
        Time_of_Day: unknown

Metadata_Reference_Information:
  Metadata_Date: 20040322
  Metadata_Review_Date: 2005
  Metadata_Future_Review_Date: as needed
  Metadata_Contact:
    Contact_Information:
      Contact_Person_Primary:
        Contact_Person: Lidia Szabo Kraft
        Contact_Organization:
          Michigan Department of Natural Resources, Institute for Fisheries Research, University of Michigan
      Contact_Position: UM Research Associate
      Contact_Address:
        Address_Type: mailing and physical address
        Address: 212 Museums Building, 1109 North University Ave.
        City: Ann Arbor
        State_or_Province: MI
        Postal_Code: 48109
        Country: USA
      Contact_Voice_Telephone: 734/ 663-3554 x 114
      Contact_Facsimile_Telephone: 734/ 663-9399
      Contact_Electronic_Mail_Address: kraftls@michigan.gov
      Hours_of_Service: Monday - Friday, 8:00 am - 5:00 pm
  Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
  Metadata_Standard_Version: FGDC-STD-001-1998
  Metadata_Time_Convention: local time
  Metadata_Access_Constraints:
    This information is for use by a user community comprised of the Michigan DNR, Fisheries Division and other cooperating agencies, as improvements are currently being made to its features.
  Metadata_Use_Constraints: no restrictions
  Metadata_Extensions:
    Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>
    Profile_Name: ESRI Metadata Profile
  Metadata_Extensions:
    Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>
    Profile_Name: ESRI Metadata Profile

Generated by `mp` version 2.7.3 on Mon Mar 22 09:29:13 2004