DOI: https://doi.org/10.5069/G93F4MVH
OT Collection ID: OT.112024.6339.2
OT Collection Name: Lidar Survey of John Henry Mine, WA 2023
Short Name: WA23_JohnHenry
Collection Platform: Airborne Lidar

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Download and Access Products: 
	1. Raster
		opentopoID: OTSDEM.112024.6339.2
		Data Processing: https://portal.opentopography.org/raster?opentopoID=OTSDEM.112024.6339.2

	2. Point Cloud Data
		opentopoID: OTLAS.112024.6339.2
		Data Processing: https://portal.opentopography.org/lidarDataset?opentopoID=OTLAS.112024.6339.2


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Collection Overview: The U.S. DOI Office of Surface Mining Reclamation and Enforcement funded this aerial LiDAR and aerial imagery survey. The dataset covers the John Henry Mine (surface coal mine) in Washington.  The intended use of the data is to support the corresponding mine teams on current and future projects. Example use cases include: precise area and volumetric measurements, assisting with upcoming TOJs (Termination of Jurisdictions) and bond releases, change detection analysis, monitoring the progression and reclamation of mining, and visualizing 3D models.

Dataset Acknowledgement: N/A

Dataset Citation: Office of Surface Mining Reclamation and Enforcement (2024). Lidar Survey of John Henry Mine, WA 2023.  Collected by Surdex. Distributed by OpenTopography. https://doi.org/10.5069/G93F4MVH. Accessed: 2024-12-22

Use License: CC BY 4.0

Dataset Keywords: Lidar, imagery, mining, John Henry, Washington, topography

Survey Date: 10/06/2023
Publication Date: 11/18/2024

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Data Provider and Roles:
	1. Surdex
	Role: Collector
	Url: https://www.surdex.com/

	2. Office of Surface Mining Reclamation and Enforcement
	Role: Funder
	Url: https://www.osmre.gov/


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Total number of points: 106,511,454 pts

Area: 2.6 km^2

Point Density: 40.97 pts/m^2

Classifications: 
	Class 0 - Never classified: 472,508
	Class 1 - Unclassified: 91,120,497
	Class 2 - Ground: 14,291,575
	Class 3 - Low Vegetation: 7
	Class 7 - Low Point (low noise): 10,831
	Class 9 - Water: 526,762
	Class 18 - High Noise: 72,231
	Class 20 - Reserved: 17,043
Coordinates System: 
	Horizontal: NAD83 (2011) / UTM Zone 10N Meters [EPSG: 6339]
	Vertical: NAVD88 [EPSG: 5703]

Survey Report: https://object.cloud.sdsc.edu:443/v1/AUTH_opentopography/www/metadata/WA23_JohnHenry_metadata.zip

LAS Validation Data Report: https://portal.opentopography.org/lasReport?opentopoID=OTLAS.112024.6339.2

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Dataset Extent in KMZ format: https://portal.opentopography.org/getKml?otCollectionID=OT.112024.6339.2&download=true

Dataset Spatial Bounds:
	North: 47.33044272477009°
	South: 47.31364776932993°
	East: -121.97803212610238°
	West: -122.0059002705256°