BLM Cadastral Survey - MT
20110411
bdy_arcs_merged2_poly
vector digital data
http://www.geocommunicator.gov/shapefilesall/CadNSDI/MTND_CadNSDI.zip
PLSSIntersected
The boundary data was updated using PLSS data obtained from the GCDB acquired from the Montana State Library (NRIS). The YCGWSA is defined by legal description and was therefore the definitive source for the location of the boundary.
This data sets represents the extent of the Yellowstone Controlled Groundwater Study Area (YCGWSA).
en
20110411
publication date
As needed
-104.039693653
-116.049131766
49.001099682
44.3583339620002
-116.049132
-96.885764
44.358334
49.001100
IOS 19115 Topic Category
planningCadastre
FGDC Data Content Standard
Cadastral
Public Land Survey System
PLSS
Cadastral Reference
Township
Section
PLSS Divisions
PLSS Special Surveys
Data Steward
Meandered Water
Geographic Names Information System
United States
USA
Montana
North Dakota
none
This data is for GIS and mapping purposes and is not intended to support or replace land survey data or the information provided by land survey.
Bill Grayson
BLM Cadastral Survey - MT
GCDB Manager
mailing address
5001Southgate Drive
Billings
MT
59101
(406) 896-5135
william_grayson@blm.gov
Version 6.1 (Build 7600) ; ESRI ArcCatalog 9.2.6.1500
File Geodatabase Feature Class
The BLM GCDB personnel using software tools such as dataprep and native GS tools in ArcGIS checked the data for attribute accuracy by verifying it against land records databases such as legal land description (LLD) and Case Status databases. There may be instances where information in survey records and LLD and Case do not agree or places where records are missing. If there are questions about the attribution of a polygon contact the identified data steward.
This feature class represents all available geographic coordinate database (GCDB) at the time of publication. Every attempt was made to complete the rectangular Public Land Survey System(PLSS) to at least the First Division (section) level and to capture the outside boundary of non-rectangular PLSS features. Gaps or holes in the data that are know areas of conflict are presented in the ConflictedAreas feature class. If there are other gaps it is where data has not been automated, was not available from the data steward or was not of sufficient quality to be included.
The polygon lines are built from the PLSS Points. The PLSS points should be at the nodes of the lines. The horizontal accuracy of the polygon lines is derived from the accuracy of the points at the nodes
BLM Cadastral Survey using the computational programs of either GMM or PCCS has generated the data where BLM Cadastral is the identified data steward. For both programs the first step is to compile survey input data from the best and most current survey records. Control points are identified, evaluated and entered into a control database With GMM the survey data, measurements abstracted from survey plats, and control stations extracted from the control database are manually entered with weighting factors into GMM software. Compass rule and least squares adjustments are performed using weighting factors assigned to both control stations and survey line data, based on survey methodologies and vintage of survey.
With GMM, section subdivision is performed to achieve land unit detail to at least the forty acre (1/16th ) level. Instructions for calculating non-regular and minor subdivisions are persistently stored during collection and rerun after every new adjustment in order to achieve the detail necessary to delineate all lines required for depicting federal rights, interests, restrictions, and encumbrances. Coincident lines and lines identified as non-boundary lines are removed from the data set used for final land unit constructions. Line intersections are computed and given unique identifiers and land units are constructed.
GMM lists all coordinates produced by the compass rule and least squares adjustments and subdivision, with connectivity codes between points and compiles them into a single file for development of Geographic Information Systems (GIS) output.
With PCCS the survey data, measurements abstracted from survey plats, and control stations extracted from the control database are manually entered into the PCCS processing software. A succession of compass rule adjustments is performed on the lines to adjust them to the control points, followed by a least squares analysis. The resulting coordinates are accompanied by indications of positional reliability; the average of misclosures in the data set and the maximum misclosure in the data set.
PCCS lists all coordinates produced by the compass rule and least squares adjustments with connectivity codes between points and compiles them into a single file for development of Geographic Information Systems (GIS) output.
With PCCS, section subdivision is performed to achieve land unit detail to at least the forty acre (1/16th) level.
GCDB data conversion software (also called data prep) verifies correctness of GCDB file formats and content based on the polygon coding and the rules associated with those codes. Verified coordinate, line and label files are converted to GIS coverages using the topology check application. All errors in topology are flagged for editing and correction. If topological errors exist, editing of arc and node data, as well as parcel labels, is performed using either GMM or ArcGIS Interface. Final edits are entered into input files and the process is repeated until all errors are corrected and a successful GIS coverage is created. GIS coverages are edge matched with adjoining township data sets to insure a seamless PLSS data set is created. Topologically correct GIS coverages are modified to use FGDC compliant naming conventions and then loaded into the CADNSDI.
The resulting GCDB data sets are imported into a file geodatabase feature class called LADESC and the points are loaded into the PLSSCorners feature class. A series of extract-transfer-load (ETL) routines are run to import the data into the PLSS Intersected feature class. Metadata is loaded and edited.
Dataset copied.
withheld
20110316
09052400
Metadata imported.
withheld
20110426
12035100
Public Land Survey System (PLSS) locations
Vector
Simple
FALSE
0
TRUE
FALSE
North American Datum of 1983
Geodetic Reference System 80
6378137.000000
298.257222
GCS_North_American_1983
0.000003
Explicit elevation coordinate included with horizontal coordinates
PLSSIntersected
The fully intersected data is the atomic level of the PLSS that is similar to the Esri coverage or the smallest pieces used to build the PLSS. Polygons may overlap in this feature class. This feature class will also contain retired or replaced areas of the PLSS.
Feature Class
0
OBJECTID
Internal feature number.
ESRI
Sequential unique whole numbers that are automatically generated.
OBJECTID
OID
4
10
0
NAME
NAME
String
50
0
0
SHAPE
Feature geometry.
ESRI
Coordinates defining the features.
Shape
Geometry
8
0
0
Shape.STArea()
Shape.STArea()
Double
0
0
0
Shape.STLength()
Shape.STLength()
Double
0
0
0
Downloadable Data
No warranty is made by the U. S. Bureau of Land Management (BLM) for use of the data for purposes not intended by BLM. The BLM assumes no responsibility for errors or omissions. No warranty is made by the U. S. Bureau of Land Management (BLM) as to the accuracy, reliability, or completeness of these data for individual use or aggregate use with other data; nor shall the act of distribution to contractors, partners, or beyond, constitute any such warranty for individual or aggregate data use with other data. Although these data have been processed successfully on computers of BLM, no warranty, expressed or implied, is made by BLM regarding the use of these data on any other system, or for general or scientific purposes, nor does the fact of distribution constitute or imply any such warranty. In no event shall the BLM have any liability whatsoever for payment of any consequential, incidental, indirect, special, or tort damages of any kind, including, but not limited to, any loss of profits arising out of the use or reliance on the geographic data or arising out of the delivery, installation, operation, or support by BLM.
Joe Manke
BLM National Operations Center
GeoCommunicator Project Manager
(303) 236-6251
jmanke@blm.gov
http://www.geocommunicator.gov/shapefilesall/CadNSDI/MTND_CadNSDI.zip
Download zipped file geodatabase by pointing your web browser to the Network Resource Name.
20110211
BLM Cadastral Survey - MT
Bill Grayson
GCDB Manager
mailing address
5001 Southgate Drive
Billings
MT
59101
(406) 896-5135
william_grayson@blm.gov
FGDC Content Standards for Digital Geospatial Metadata
FGDC-STD-001-1998
local time
en
20121018
11570400
1.0
North American Profile of ISO19115 2003
FALSE
YRV_YCGA
002
439783.003100
570055.644400
27600.830300
115506.483000
1
Projected
GCS_North_American_1983
Linear Unit: Meter (1.000000)
<ProjectedCoordinateSystem xsi:type='typens:ProjectedCoordinateSystem' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:typens='http://www.esri.com/schemas/ArcGIS/3.6.0'><WKT>PROJCS["NAD_1983_StatePlane_Montana_FIPS_2500",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",600000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-109.5],PARAMETER["Standard_Parallel_1",45.0],PARAMETER["Standard_Parallel_2",49.0],PARAMETER["Latitude_Of_Origin",44.25],UNIT["Meter",1.0],AUTHORITY["EPSG",32100]]</WKT><XOrigin>-35666000</XOrigin><YOrigin>-30006900</YOrigin><XYScale>10000</XYScale><ZOrigin>0</ZOrigin><ZScale>1</ZScale><MOrigin>0</MOrigin><MScale>1</MScale><XYTolerance>0.001</XYTolerance><ZTolerance>0.001</ZTolerance><MTolerance>0.001</MTolerance><HighPrecision>true</HighPrecision><WKID>32100</WKID><LatestWKID>32100</LatestWKID></ProjectedCoordinateSystem>
NAD_1983_StatePlane_Montana_FIPS_2500
20260513
15210500
20260513
15210500
FGDC
Esri ArcGIS 13.6.0.59527
YRV_YCGA
-116.049132
-96.885764
49.0011
44.358334
1
-116.049132
-96.885764
49.0011
44.358334
1
1
-111.542171
-109.876377
45.288585
44.479755
This data sets represents the extent of the Yellowstone Controlled Groundwater Study Area (YCGWSA).
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The boundary data was updated using PLSS data obtained from the GCDB acquired from the Montana State Library (NRIS). The YCGWSA is defined by legal description and was therefore the definitive source for the location of the boundary.</SPAN></P></DIV></DIV></DIV>
Yellowstone Contraolled Groundwater Study Area
YCGWSA
PLSS
closed basins
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>This data is for GIS and mapping purposes and is not intended to support or replace land survey data or the information provided by land survey.</SPAN></P></DIV></DIV></DIV>
U.S. Bureau of Land Management
Montana State Library
Montana Bureau of Mines & Geology
ISO 19115 Geographic Information - Metadata
DIS_ESRI1.0
dataset
002
withheld
Local Area Network
File Geodatabase Feature Class
Enterprise Geodatabase Feature Class
0
20260513
False
False
False
0
0
EPSG
4.5(3.0.1)