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r03/r03_AerialPhotography_01 (MapServer)

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Service Description: Historical Aerial Photography Archive Project (HAPAP) is a geodatabase that interfaces with a Map Viewer Search engine of all aerial photography projects completed in the Southwestern Region of the Forest Service. This database contains metadata on each project indicating the original project specifications and information on how to locate the associated rolls of film. The database consist of two feature classes and one table. ProjectAreas is a footprint polygon depicting the approximate area of each project. PhotoPoints is a point feature class that depicts the approximate location of the center of each photo where photo indexes are available. PhotoProjects is a tabular table that has project level information for each project. The three datasets link and relate to each other through a primary key of ProjectID. The Southwestern Regional Office (RO) photogrammetry program was initiated in the mid-1950’s and has collected thousands of aerial photographs of forest system lands for the region. The aerial photography supports projects that include mapping and surveying of administrative sites, campgrounds, recreational sites, infrastructure, timber sales, archeology, and forest resource inventory and monitoring. There are two types of aerial photography projects – 1) resource photography which is large extent, smaller scale and 2) photogrammetry projects – small extent large scale projects used for the mapping and surveying. A majority of the records are in hard copy format making it extremely difficult and time consuming for retrieval of records and historical data requested by forest service personnel and members of the public. The GIS/Photogrammetry group has identified existing databases of all aerial photography projects completed in the region and plans to convert these historical records and data into a GIS database system. This new database will allow forest service personnel to query the database, identify potential historical records of aerial photography and retrieve the records to be used in their field of work. All of the aerial photography that is acquired by agencies within the Department of Agriculture is archived at the Aerial Photography Field Office (APFO) of the Farm Service Agency (FSA). The FS is mandated to employ APFO for archival of the regions aerial photography and contracting of aerial photography acquisition projects. There are over 280,000 exposures of aerial photography that date back to 1956 which are associated with thousands of projects completed in the region. Due to the age and degradation of certain film rolls, the region is concerned of losing historical aerial photography of the region’s forest system lands.

Map Name: Historical Aerial Photography Archive Project (HAPAP)


All Layers and Tables

Dynamic Legend

Dynamic All Layers

Layers: Description: A map service on the www depicting spatial representations of all aerial photography projects completed in the Southwestern Region of the Forest Service.

Copyright Text: Comparison with other data sets for the same area from other time periods may be inaccurate due to inconsistencies resulting from changes in photointerpretation, rounding of decimal coordinates during conversion, and mapping conventions over time. Any hardcopies utilizing these data sets shall clearly indicate their source. If the user has modified the data in any way, they are obligated to describe the types of modifications they have performed on the hardcopy map. The user specifically agrees not to misrepresent these data sets, nor to imply that changes made were approved by the USFS.

Spatial Reference: PROJCS["North_America_Lambert_Conformal_Conic",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",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-108.0],PARAMETER["Standard_Parallel_1",32.0],PARAMETER["Standard_Parallel_2",36.0],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]

Single Fused Map Cache: false

Initial Extent: Full Extent: Units: esriMeters


Document Info: Supports Dynamic Layers: true

MaxRecordCount: 1000

MaxImageHeight: 4096

MaxImageWidth: 4096

Supported Query Formats: JSON, geoJSON

Min Scale: 1500000

Max Scale: 0

Supports Datum Transformation: true

Child Resources:   Info   Dynamic Layer

Supported Operations:   Export Map   Identify   QueryDomains   QueryLegends   Find   Return Updates