Survey of Grape Creek Entrance Area, Cañon City, Colorado, March 2021

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Dataset Information

This Unoccupied Aerial Vehicle (UAV) survey was flown to provide geology field camp students with a high-resolution orthomosaic, Digital Elevation Model (DEM), and Point Cloud of the entrance to the Grape Creek mapping area. The area shows monocline of Cretaceous beds dipping to the Southeast in the Frontal Range.

opentopoID: OTDS.072021.32613.1
DOI: https://doi.org/10.5069/G9D50K5N
Platform: Structure from Motion / Photogrammetry
Data Format: Point Cloud, Raster
Dataset Acknowledgement: The College of Arts and Sciences at Oklahoma State University provided funds for the collection of this datset.
Dataset Citation: Wethington, C., Weilert, L., Laó-Dávila, D., Knapp, J.H, Puckette, J.O., Barnes, C. (2021). Survey of Grape Creek Entrance Area, Cañon City, Colorado, March 2021. Distributed by OpenTopography. https://doi.org/10.5069/G9D50K5N. Accessed: 2025-04-02
Survey Date: 05/01/2021
Survey Area: 1.5 km2
Publication Date: 07/06/2021
Total Number of Points: 172,179,424 pts
Point Density: 114.41 pts/m2
Coordinates System:
Horizontal: WGS 84 / UTM zone 13N [EPSG: 32613]

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3D Point Cloud Viewer


Spatial Extent
Point Cloud Extent Raster Extent

Show Data Files

    Point Cloud
  File Name Size Points Area (m2) Density  
1     GrapeCreek2_PointCloud_EPSG32613.laz     899.41 MB     86,089,712     752,439     114.41         File Metadata    
SpatialReference: 
COMPD_CS["unknown",PROJCS["WGS 84 / UTM zone 13N",GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433],AUTHORITY["EPSG","4326"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-105],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","32613"]],VERT_CS["unknown",VERT_DATUM["unknown",2005],UNIT["metre",1.0,AUTHORITY["EPSG","9001"]],AXIS["Up",UP]]]

Geographic Coordinates (Lat, Lon, Elevation) - EPSG:4326
North-East (Lat, Lon, Elevation): (38.42517414, -105.2646412, 1807.299)
South-West (Lat, Lon, Elevation): (38.41534837, -105.2783886, 1619.79)

Projected Coordinates (X, Y) - EPSG:32613
North-East (X, Y): (476896.861, 4253023.851)
South-West (X, Y): (475699.98, 4251937.095)

Classifications:
Class 0 (Created, never classified)86,089,712
    Raster Data
  File Name Size Resolution Dimensions Layer Type  
1     GrapeCreek2_DEM_EPSG32613.tif     149.26 MB     0.12 meter     14261 x 14155                 File Metadata    
SpatialReference 
PROJCS["WGS 84 / UTM zone 13N",     GEOGCS["WGS 84",         DATUM["WGS_1984",             SPHEROID["WGS 84",6378137,298.257223563,                 AUTHORITY["EPSG","7030"]],             TOWGS84[0,0,0,0,0,0,0],             AUTHORITY["EPSG","6326"]],         PRIMEM["Greenwich",0],         UNIT["degree",0.0174532925199433],         AUTHORITY["EPSG","4326"]],     PROJECTION["Transverse_Mercator"],     PARAMETER["latitude_of_origin",0],     PARAMETER["central_meridian",-105],     PARAMETER["scale_factor",0.9996],     PARAMETER["false_easting",500000],     PARAMETER["false_northing",0],     UNIT["metre",1,         AUTHORITY["EPSG","9001"]],     AUTHORITY["EPSG","32613"]]

Geographic Coordinates (Lat, Lon) - EPSG:4326
North-East (Lat, Lon): (38.427372942804496, -105.26189038333202)
South-West (Lat, Lon): (38.412427905945535, -105.28091696651366)

Projected Coordinates (X, Y) - EPSG:32613
North-East (X, Y): (477140.785, 4253267.136)
South-West (X, Y): (475474.986, 4251613.719)
2     GrapeCreek2_Ortho_EPSG32613.tif     682.68 MB     0.06 meter     20604 x 18894                 File Metadata    
SpatialReference 
PROJCS["WGS 84 / UTM zone 13N",     GEOGCS["WGS 84",         DATUM["WGS_1984",             SPHEROID["WGS 84",6378137,298.257223563,                 AUTHORITY["EPSG","7030"]],             TOWGS84[0,0,0,0,0,0,0],             AUTHORITY["EPSG","6326"]],         PRIMEM["Greenwich",0],         UNIT["degree",0.0174532925199433],         AUTHORITY["EPSG","4326"]],     PROJECTION["Transverse_Mercator"],     PARAMETER["latitude_of_origin",0],     PARAMETER["central_meridian",-105],     PARAMETER["scale_factor",0.9996],     PARAMETER["false_easting",500000],     PARAMETER["false_northing",0],     UNIT["metre",1,         AUTHORITY["EPSG","9001"]],     AUTHORITY["EPSG","32613"]]

Geographic Coordinates (Lat, Lon) - EPSG:4326
North-East (Lat, Lon): (38.425262571118665, -105.26464138525569)
South-West (Lat, Lon): (38.415286194935014, -105.2783886681802)

Projected Coordinates (X, Y) - EPSG:32613
North-East (X, Y): (476899.99, 4253033.654)
South-West (X, Y): (475696.673, 4251930.206)
  Summary 831.94 MB            
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