Database for the Abandoned Mine Lands Initiative, Boulder Watershed Study Area: Analysis Sites

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: U.S. Geological Survey (USGS)

Publication_Date: 2003

Title:

Database for the Abandoned Mine Lands Initiative, Boulder Watershed Study Area: Analysis Sites

Edition: Version 1.0

Geospatial_Data_Presentation_Form: vector digital data

Series_Information:

Series_Name: U.S. Geological Survey Professional Paper

Issue_Identification: P1652

Publication_Information:

Publication_Place: Denver, CO

Publisher: USGS

Description:

Abstract:

This dataset contains the locations of analysis sites which represent groups of field sites that can be considered to be logically co-located for analysis purposes.

Purpose:

This dataset was created in order to be able to query and analyze field sites which can be considered to be logically co-located for analysis purposes.

Supplemental_Information:

The ANALYSIS_SITE coverage provides a way to query and analyze field sites that are logically related by storing a representative point location for groups of field sites that can be logically co-located for such purposes. The AMLI_Analysis_ID allows points in the ANALYSIS_SITE coverage to be related to the field sites in the FIELD_SITES coverage, which in turn can be related to additional files containing information about the field sites.

There are 10 such files in the database created for USGS Professional Paper P1652 which provide additional information about the field sites, the data collected at these field sites, the results from this data collection process, and descriptive information about the data and results. These files are: LocationMaster, Project, Sample, Result, Parameter, QualitativeResult, AnalyticMethod, SampleMedia, LabName, and FieldSiteMineSiteAssocs. These files are described in a metadata file called relational_db.html.

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 1952

Ending_Date: 2000

Currentness_Reference: Publication date

Status:

Progress: Complete

Maintenance_and_Update_Frequency: None Planned

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -112.51467527

East_Bounding_Coordinate: -111.91443445

North_Bounding_Coordinate: 46.50120253

South_Bounding_Coordinate: 45.86431446

Keywords:

Theme:

Theme_Keyword_Thesaurus: None

Theme_Keyword: analysis sites

Theme_Keyword: sample sites

Place:

Place_Keyword_Thesaurus: None

Place_Keyword: Boulder River

Place_Keyword: Montana

Place_Keyword: U.S.A.

Access_Constraints: None

Use_Constraints:

There are no legal constraints on the use of this data. Acknowledgment of the U.S. Geological Survey would be appreciated in products derived from these data.

Point_of_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Carl Rich

Contact_Organization: USGS

Contact_Address:

Address_Type: mailing and physical address

Address: Box 25046, MS 516

City: Denver

State_or_Province: CO

Postal_Code: 80225

Country: U.S.A.

Contact_Voice_Telephone: 303-202-4316

Contact_Facsimile_Telephone: 303-202-4354

Contact_Electronic_Mail_Address: clrich@usgs.gov

Native_Data_Set_Environment: UNIX ARC/INFO versions 7.x through 8.0.2

Cross_Reference:

Citation_Information:

Originator: USGS

Publication_Date: 2003

Title:

"Integrated investigations of environmental effects of historical mining in the Basin and Boulder mining districts, Boulder River watershed, Jefferson County, Montana."

Geospatial_Data_Presentation_Form: document

Series_Information:

Series_Name: U.S. Geological Survey Professional Paper

Issue_Identification: P1652

Publication_Information:

Publication_Place: Denver, CO

Publisher: USGS

Data_Quality_Information:

Attribute_Accuracy:

Attribute_Accuracy_Report:

The primary method used to check the accuracy of the attributes was to check the values of the attributes of a few randomly selected analysis sites versus the polygon coverages which were used to provide the attribute values via GIS spatial overlay operations.

Logical_Consistency_Report: N/A

Completeness_Report: N/A

Positional_Accuracy:

Horizontal_Positional_Accuracy:

Horizontal_Positional_Accuracy_Report:

Field site locations used for analysis sites, or analysis sites independently located, were verified using Digital Orthophoto Quad (DOQ) images plotted at a scale of approximately 1:12000. As a result, the horizontal accuracy of the analysis site point features is approximately 20 feet.

Lineage:

Process_Step:

Process_Description:

The initial sources of information for this dataset were files provided by project scientists which contained latitude/longitude locations for the sample sites, and a unique SiteNumber. The locations were converted to an ArcInfo point coverage, FIELD_SITES, in UTM coordinates. The sample site points were plotted on Digital Orthophoto Quad (DOQ) imagery. These plots were sent to the scientists who had collected the samples in order to indicate any necessary changes to their locations. The locations of the point features in the coverage were then corrected based on the annotated plots. Next, plots showing all of the correctly located field sites were sent to the project scientists, who determined which field sites should be logically grouped as an analysis site, and marked the locations of any analysis sites that were not co-located with an existing field site. Since some analysis site locations were slightly different than any of the field sites grouped for that analysis site, a separate coverage called ANALYSIS_SITE was created. Analysis sites that were co-located with one of the field sites were copied from the FIELD_SITES coverage, while those that were not were heads-up digitized based on the annotated plots. Attributes from a variety of sources were then added to the ANALYSIS_SITE.PAT file (see_Entity_and_Attribute_Overview section).

Process_Date: 1996 through 2002

Spatial_Data_Organization_Information:

Direct_Spatial_Reference_Method: Vector

Point_and_Vector_Object_Information:

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: Point

Point_and_Vector_Object_Count: 425

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Planar:

Grid_Coordinate_System:

Grid_Coordinate_System_Name: Universal Transverse Mercator

Universal_Transverse_Mercator:

UTM_Zone_Number: 12

Transverse_Mercator:

Scale_Factor_at_Central_Meridian: 0.9996

Longitude_of_Central_Meridian: -111.0

Latitude_of_Projection_Origin: 0.0

False_Easting: 500000

False_Northing: 0.0

Planar_Coordinate_Information:

Planar_Coordinate_Encoding_Method: coordinate pair

Coordinate_Representation:

Abscissa_Resolution: 7.008980994496

Ordinate_Resolution: 7.008980994496

Planar_Distance_Units: Meters

Geodetic_Model:

Horizontal_Datum_Name: North American Datum of 1927

Ellipsoid_Name: Clarke 1866

Semi-major_Axis: 6378206.4

Denominator_of_Flattening_Ratio: 294.98

Entity_and_Attribute_Information:

Overview_Description:

Entity_and_Attribute_Overview:

This dataset contains 16 point attributes in the ANALYSIS_SITE.PAT file:

 AMLI_Analysis_ID - unique, identifying number for each
   analysis_site; allows analysis sites to be related to the field
   sites that are grouped as that analysis site; a value of 5000 or
   greater indicates an analysis site which has multiple field sites
   grouped together; a value of less than 5000 indicates an analysis
   site which consists of a single field site
 No_Fsites - number of field sites comprising the analysis site
 Sitenumber1 - field SiteNumber of first field site included in
   analysis site
 Sitenumber2 - field SiteNumber of second field site included in
   analysis site, if there are two or more
 Sitenumber3 - field SiteNumber of third field site included in
   analysis site, if there are three or more
 Sitenumber4 - field SiteNumber of fourth field site included in
   analysis site, if there are four
 Longitude - longitude of analysis site location
 Latitude - latitude of analysis site location
 Elevation - elevation of analysis site in feet
 Township - township number and direction of analysis site
 Range - range number and direction of analysis site
 Section - section number of analysis site
 Lithology - rock type at analysis site
 Strat_Unit - geologic unit at analysis site
 Geol_Age - geologic age of rock at analysis site
 Subbasin - subbasin within the Boulder River watershed within which
   the analysis site is located; subbasins defined by project
   scientists based on usefullness for interpreting project data

Longitude and latitude values were calculated using the ArcInfo PROJECT command. Elevation was determined using the ArcInfo LATTICESPOT command and the ELEVATION grid (Database for the Abandoned Mine Lands Initiative, Boulder Watershed Study Area: Elevation (elevation.html)). Township, Range, and Section were added by doing a spatial overlay using the IDENTITY command with the PLSS coverage (Database for the Abandoned Mine Lands Initiative, Boulder Watershed Study Area: Public Land Survey System (plss.html)) as the identity coverage. Lithology, Strat_Unit, and Geol_Age were added using the IDENTITY command with the Boulder River watershed study GEOLOGY coverage as the identity coverage. Subbasin was added using the IDENTITY command with the SUBBASINS coverage (Database for the Abandoned Mine Lands Initiative, Boulder Watershed Study Area: Subbasins (subbasins.html)) as the identity coverage.

Entity_and_Attribute_Detail_Citation: none

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: USGS Information Services

Contact_Address:

Address_Type: mailing and physical address

Address: Box 25286, MS 306

City: Denver

State_or_Province: CO

Postal_Code: 80225

Country: U.S.A.

Contact_Voice_Telephone: 888-ASK-USGS

Distribution_Liability:

The U.S. Geological Survey provides this dataset "as is." The USGS makes no guarantee or warranty concerning the accuracy of information contained in the data beyond that stated in the "Horizontal_Positional_Accuracy_Report" section. Although these data have been processed successfully on computers of the USGS, no warranty, expressed or implied, is made by the USGS regarding the use of these data on any other system, nor does the act of distribution constitute or imply any such warranty.

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Format_Name: ARCE (ArcInfo Export format) and Shapefile format

Digital_Transfer_Option:

Offline_Option:

Offline_Media:

Both dataset formats are available in the GIS database that is contained on this CD-ROM (U.S. Geological Survey, 2002, Integrated investigations of environmental effects of historical mining in the Basin and Boulder mining districts, Boulder River watershed, Jefferson County, Montana: USGS Professional Paper P1652).

Recording_Format: ISO 9660

Fees: none

Metadata_Reference_Information:

Metadata_Date: 20030327

Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: USGS

Contact_Person: Richard Pelltier

Contact_Address:

Address_Type: mailing and physical address

Address: Box 25046, MS 516

City: Denver

State_or_Province: CO

Postal_Code: 80225

Country: U.S.A.

Contact_Voice_Telephone: 303-202-4331

Contact_Facsimile_Telephone: 303-202-4354

Contact_Electronic_Mail_Address: rtpelltier@usgs.gov

Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata

Metadata_Standard_Version: FGDC-STD-001-1998

Metadata_Access_Constraints: none

Metadata_Use_Constraints: none