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08245300
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FGDC CSDGM Metadata
FALSE
HillCityLimits
1112471.578915
1121881.748086
594639.423754
603706.004046
1
002
Projected
GCS_NAD_1983_2011
Linear Unit: Foot_US (0.304801)
NAD_1983_2011_StatePlane_South_Dakota_South_FIPS_4002_Ft_US
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Pennington County - Rapid City GIS
605-716-3672
300 6th Street
GIS Division
Rapid City
SD
57701
US
gis2@rcgov.org
M - F; 7:30am - 4:00pm
see https://www.rcgov.org/departments/public-works/geographic-information-system/gis-data-216.html for a price list
Contact GIS Division
Normally 2-3 business days
ESRI ArcMap
many
pgdb, fgdb, .shp
spatial data with attribute information
DXF
many
AutoCAD dxf file produced by ArcCatalog conversion of SDE feature class
spatial data
Hill City Limits
Feature Class
2004-07-26
Pennington County - Rapid City GIS
Rapid City, South Dakota
Pennington County - Rapid City GIS
HillCityLimits
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>This data set contains the latest available version of the area within the city limits for Hill City, South Dakota, based on legal property descriptions. The areas and boundaries depicted were created primarily from aerial mapping methods and do not represent a legal survey of the land.</SPAN></P></DIV></DIV></DIV>
This data set was developed to provide a current map of the Hill City city limits for general use within the Pennington County - Rapid City GIS.
Original digital maps were maintained by the Pennington County Director of Equalization mapping specialist.
Pennington County - Rapid City GIS
605-716-3672
GIS Division
300 6th Street
Rapid City
SD
57701
US
gis2@rcgov.org
M - F; 7:30am - 4:00pm
South Dakota
Hill City
Pennington County
ISO 19115 Topic Category
boundaries
city limits
South Dakota
boundaries
Hill City
city limits
Pennington County
see Use Constraints
Use of this data requires acceptance of the applicable Pennington County - Rapid City GIS data agreement included in the Use Constraints section.
<DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="margin:0 0 7 0;"><SPAN>The data user (hereafter "The User") understands and acknowledges that the GIS Product File(s) listed above were created from GIS data files and developed for internal use only. The GIS data is subject to constant change and the accuracy and completeness cannot be guaranteed. The GIS data is provided "as is" without warranties or guarantees, either expressed or implied, as to the completeness, accuracy, or correctness of such GIS data, fitness for a particular purpose, or warranty that the information does not infringe the rights of others, nor accepts any liability arising from any incorrect, incomplete or misleading information contained therein. The City of Rapid City is not responsible for incidental, consequential, or special damages arising out of the use of the GIS data provided the User. The User agrees that the GIS Product File(s) shall be used and relied upon only at the risk of the User. The User agrees to indemnify and hold harmless the City of Rapid City, its officials, officers, employees and servants from any liability, claims, loss, damages, injury, costs and attorney fees arising out of procuring, compiling, collecting, interpreting, production, using or communicating the GIS Product File(s) or information contained therein. These data do not represent a legal survey of the land. Data were created from aerial mapping methods.</SPAN></P></DIV></DIV></DIV>
Pennington County, South Dakota Tax Parcels
2006-06-26
Pennington County - Rapid City GIS
Rapid City, South Dakota
Pennington County - Rapid City GIS
vector digital data
ground condition
2007-06-07
Annexation documents are not usually received by the GIS Division by the time the annexations become effective. The data set represents the best information available to the GIS Division, but may not be current.
Version 6.2 (Build 9200) ; Esri ArcGIS 10.7.1.11595
1
-103.584434
-103.547399
43.944730
43.918871
The data set contains all the area within the City of Hill City.
The CITYNAME attribute identifies areas within the city limits. Except for the time lag in receiving annexation notifications, the areas identified are accurate.
The city limits are dependent upon two data sources: the USGS DOQQs and the Pennington County tax parcel feature class. Random tests of the DOQQs that cover the same area as the Rapid City orthophotos indicate a difference of 15 - 20 feet. (Tests of the Rapid City orthos indicate most positions are within 1 foot of first order or better survey monuments.) Random visual inspections of parcel line locations show that most of them are within 5 feet of the apparent ground position. Some areas where the conversion vendor used the wrong procedure are off by 20 - 30 feet. The net error estimate for the Hill City boundary is about 20 feet from a true position for the DOQQ base, and an additional 5 feet for the parcel base. Relative accuracy of the boundary line with respect to the parcels is excellent. No known discrepancies exist between these two data sets.
Estimate of accuracy based on the data used to create the city limits
25 feet
The city limits are based mainly on tax parcels, along with a few lines extending to road centerlines or measured parts of tax parcels. The original limits were drawn by tracing the appropriate lines. Updated limits are created from the tax parcels and/or the road centerline data sets, as applicable. Annexation documents are filed by the City of Hill City at the Pennington County Register of Deeds. The Register of Deeds forwards copies of these documents to the county Director of Equalization, where the appropriate parcels are determined from the legal descriptions. The city limits are updated by the Rapid City GIS Division when copies of the annexation documents with the list of affected parcels are received from the Director of Equalization. To update the city limits feature class, the appropriate tax parcels are copied into the city limits feature class. Where needed, parcel edges are modified, as in the case where the annexation includes half of a right of way to the centerline. After all modifications are completed, the parcels are merged into appropriate the city limit polygon.
From 1989 through 2000, new parcels were created by digitizing or COGOing property plats into the existing Microstation .dgn files. Rectified (not ortho corrected) digital photos were used to help align property lines. As new photos were obtained, about every three years, a number of lines had to be moved, especially in areas of high relief.
The tax parcel feature class, upon which the city limits are mainly based, was originally created in 1989. Lines were digitized and COGOd from property plats into files at three different scales: 1:7200, 1:2400, and 1:1200. The USGS quadrangle section corners were used as control.
Plats containing maps and survey descriptions are used to create new tax parcels.
Property plats
Plats
various local surveyors
ground condition
Digital tax parcel maps were visually matched to 1:12,000 USGS DOQQs when converted to Arc/INFO coverages. Road centerlines (which are used for some city limit lines) were digitized on top of the DOQQs.
12000
USGS 1:12,000 DOQQs
DOQQs
1997-01-01
USGS
publication date
Legal property descriptions are used to identify areas to be added to the city limits
City of Hill City annexation documents
Legal property descriptions
City of Hill City
publication date
Rectified aerial photos (not ortho corrected) were used to help place property lines in the original digital files, and for maintenance in the Microstation environment.
Rectified aerial photos
Rectified aerial photos
Various aerial photo firms
ground condition
The original digital parcel maps were controlled by section corners digitized from the USGS quadrangles.
24000
USGS 1:24,000 Quadrangles
Quadrangles
USGS
publication date
Section corners from the quadrangles were used as control for the digital parcel maps. DLGs were used for the western half of Pennington County. Section corners were digitized from DRGs for the eastern half of the county, where DLGs have not yet been created.
24000
1:24,000 USGS DLGs and DRGs
DLGs and DRGs
USGS
publication date
In 2000, the City of Rapid City and Pennington County undertook a project to convert the parcel lines to Arc/Info coverage format and to adjust them visually to the USGS DOQQs and the Rapid City area orthophotography. The 1:24,000 DLG section lines and locally created 1:24,000 DRG-based section lines (for the eastern half of the county) served as control for the project. The three different scales of data were merged into township sized coverages. This conversion yielded reasonably good data in the eastern half of the county, but problems were noted in the western half. The conversion vendor incorrectly moved section lines in some tax parcels to match the DLG section lines, rather than moving the parcels to the correct section. To date, the displacements caused by these problems have not been corrected. Road centerlines, which are used for a small number of city limit lines, are matched to the Rapid City area orthophotos and the DOQQs outside of the Rapid City area.
2000-08-01T00:00:00
In 2003, the Arc/INFO township coverages were merged into one county parcel SDE feature class. Maintenance has continued using ArcMap software.
2003-01-01T00:00:00
HillCityLimits
Areas within the boundary of an incorporated city or town
annexation documents
Feature Class
1
OBJECTID
Internal feature number.
ESRI
Sequential unique whole numbers that are automatically generated.
OBJECTID
OID
4
10
0
CityName
Name of city for all areas within city limits
annexation documents
HILL CITY
CityName
String
15
0
0
LastUpdate
Last update
Date
8
0
0
Date the data was last edited. This is not necessarily the effective date of the last annexation.
annexation documents
Shape
Feature geometry.
ESRI
Coordinates defining the features.
SHAPE
Geometry
4
0
0
GlobalID
GlobalID
GlobalID
38
0
0
created_user
created_user
String
255
0
0
created_date
created_date
Date
8
0
0
last_edited_user
last_edited_user
String
255
0
0
last_edited_date
last_edited_date
Date
8
0
0
Shape.STArea()
SHAPE.STArea()
Double
0
0
0
Shape.STLength()
SHAPE.STLength()
Double
0
0
0
dataset
EPSG
8.9.3(10.3.1)
1
Simple
FALSE
1
TRUE
FALSE
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Pennington County - Rapid City GIS
605-716-3672
GIS Division
300 6th Street
Rapid City
SD
57701
US
gis2@rcgov.org
M - F; 7:30am - 4:00pm
Pennington County - Rapid City GIS