Abstract:

This data set represents the spatial distribution of Visual Resource Management designations for the proposed plan in the current land use planning effort. The polygons are attributed as Class I, aimed at preserving existing landscape; Class II, aimed at retaining the existing landscape while allowing low levels of landscape change that don't attract attention; Class III, aimed at partially retaining the existing landscape while allowing for moderate levels of landscape change that don't dominate the view of the casual observer; and Class IV, aimed at providing for management actions that may require major modifications to the landscape character.

Purpose:

For regional analysis and display at 1:24,000. This dataset was prepared/acquired for use in the ASDO resource management planning process. The data set is intended to represent the proposed VRM classes emerging from the land use planning process and for day-to-day management of visual resources if the proposed plan is authorized.

Supplemental information:

Dataset locally known as vrm_feis. This dataset and other datasets in the Arizona Strip District Office Geographic Information Database (ASDOGID) represent data for the BLM Arizona Strip District Office, and may include the Arizona Strip Field Office, Vermilion Cliffs National Monument (VCNM) and/or the Grand Canyon-Parashant National Monument (GCPNM or PARA). The Grand Canyon-Parashant National Monument is managed jointly by the BLM and the National Park Service (NPS).

Currentness reference:

publication date

Use constraints:

This data should not be used at a scale larger than 1:24000.  The data and corresponding attributes are only as accurate as the source maps from which they were obtained, and may vary depending on the data and method of acquisition.

This data is suitable for regional planning, management decision support at intermediate scales (i.e. 1:24000 or smaller), and cartographic purposes.  The data is not suitable for analysis at scales larger than 1:24000.

If the Receiving Agency (RA) has modified the data in any way, they are obligated to describe the types of modifications they have performed on hardcopy maps utilizing the data.  RA specifically agrees not to misrepresent ASDOGID datasets or to imply that any changes made were approved by BLM ASDO or NPS.

No warranty is made by the BLM/NPS for use of the data for purposes not intended by BLM/NPS.  This information may be updated without notification.

Address:

345 East Riverside Dr.

Please use email to contact.

Attribute accuracy report:

Feature attributes were taken from source material.  Code assignments are believed to be representative of the source document.

Logical consistency report:

Data was reviewed for correct topological structure.  Duplicate lines have been removed.

Completeness report:

This dataset covers the entire BLM Arizona Strip District.  It is constantly being reviewed and added to as additional information becomes available.

Horizontal positional accuracy report:

The data has been vertically integrated to the Arizona BLM Geographic Coordinate Database (GCDB) and to 1:24,000 scale DLG base data, including transportation, hydrology, and powerlines where appropriate.  Overall horizontal accuracy for this data is not greater than national mapping accuracy standards (NMAS) for USGS source maps.  Snapping and coordinate shift tolerances were maintained at 0.01 meters or less through editing.  Horizontal positional accuracy for the digital data set was tested by visual comparison of the source data with hard copy verification plots.

Source contribution:

Management planning team knowledge of areas exhibiting characteristics as a visual resource.

Process description:

The three components that make up VRM inventory were digitized from 100k mylars used during the 1992 resource management plan. These three layers were VRM distance zones (vrm_dzone), VRM sensitivity (VRM_sens), and VRM scenic quality (sq_inv). They were then combined and the criteria for VRM inventory (based on Manual 8410 - Visual Resource Inventory) were used to create new VRM inventory layer.

Address:

345 East Riverside Drive

Process description:

Alternatives B, C, and D for VRM were created based on the emphasis of each alternative.

Address:

345 East Riverside Drive

Process description:

Based on input from managers, various VRM polygons were created from parts of Alternative B, C, and D to represent Alt. E's array of landscape management protection.

Address:

345 East Riverside Drive

Process description:

Core planning team, managers and cooperating agencies review and comment on initial polygons. Various changes are made over the life of plan development.

Address:

345 East Riverside Drive

Process description:

VRM Alternative E is used as basis for VRM_FEIS, which is the proposed plan.  Based on public comments following review of the draft plan, modifications to the data were made, using data from Alternative A. More VRM Class 2 was added to Grand Canyon - Parashant National Monument.

Address:

345 East Riverside Drive

Process description:

Due to NPS Proposed Wilderness layer being adjusted (based on actual 1979 maps and 100 ft buffer from route centerline) the old arcs were removed from VRM_FEIS and the new arcs were added.

Address:

345 East Riverside Drive

*Attribute definition:

Internal feature number.

*Attribute definition source:

ESRI

*Attribute definition:

Feature geometry.

*Attribute definition source:

ESRI

*Attribute definition:

Internal node number for the beginning of an arc (from-node).

*Attribute definition source:

ESRI

*Attribute definition:

Internal node number for the end of an arc (to-node).

*Attribute definition source:

ESRI

*Attribute definition:

Internal node number for the left polygon.

*Attribute definition source:

ESRI

*Attribute definition:

Internal node number for the right polygon.

*Attribute definition source:

ESRI

*Attribute definition:

Length of feature in internal units.

*Attribute definition source:

ESRI

*Attribute definition:

Internal feature number.

*Attribute definition source:

ESRI

*Attribute definition:

User-defined feature number.

*Attribute definition source:

ESRI

Attribute definition:

Defines the physical or virtual boundary used to define the arcs that make up the VRM polygons

Attribute definition:

Defines the name of the type of boundary the arc belongs

*Attribute definition:

Internal feature number.

*Attribute definition source:

ESRI

*Attribute definition:

Feature geometry.

*Attribute definition source:

ESRI

*Attribute definition:

Area of feature in internal units squared.

*Attribute definition source:

ESRI

*Attribute definition:

Perimeter of feature in internal units.

*Attribute definition source:

ESRI

*Attribute definition:

Internal feature number.

*Attribute definition source:

ESRI

*Attribute definition:

User-defined feature number.

*Attribute definition source:

ESRI

Attribute definition:

The name of specific proposed visual resource management class allocations, such as Class 1, Class 2, Class 3, Class 4.

Enumerated domain value definition:

To preserve the existing character of the landscape. This class provides for natural ecological changes; however, it does not preclude limited management activity. The level of change to the characteristic landscape should be very low and must not attract attention.

Enumerated domain value definition:

To retain the existing character of the landscape. The level of change to the characteristic landscape should be low. Management activities may be seen, but should not attract the attention of the casual observer. Any changes must mimic the basic elements of form, line, color, and texture found in the predominant natural features of the characteristic landscape.

Enumerated domain value definition:

To partially retain the existing character of the landscape. The level of change to the characteristic landscape should be moderate. Management activities may attract attention but should not dominate the view of the casual observer. Changes should mimic the basic elements found in the predominant natural features of the characteristic landscape.

Enumerated domain value definition:

To provide for management activities that require major modification of the existing character of the landscape. The level of change to the characteristic landscape can be high. These management activities may dominate the view and be a major focus of viewer attention. However, every attempt should be made to minimize the impact of these activities through careful location, minimal disturbance, and repetition of the basic landscape elements

Entity and attribute overview:

Attribute items are in typical ArcInfo point, line and polygon format.

Address:

345 East Riverside Dr.

Please contact by email.

Distribution liability:

BLM-ASDO and NPS provide this data "as is" without liability.  No warranty is made by the Bureau of Land Management or National Park Service as to the accuracy, reliability, or completeness of these data for individual use or aggregate use with other data.

Format specification:

ESRI ArcInfo Coverage

Ordering instructions:

Contact Distributor

Custom order process:

Contact Distributor

Address:

345 East Riverside Dr.

Please contact by email.

Visual Resource Management Designations Final EIS
	Data format: ArcInfo Coverage File or table name: vrm_feis Coordinate system: Universal Transverse Mercator Theme keywords: Bureau of Land Management, BLM, National Park Service, NPS, visual, Visual Resource Management, VRM classes, VRM designations, environment
Abstract: This data set represents the spatial distribution of Visual Resource Management designations for the proposed plan in the current land use planning effort. The polygons are attributed as Class I, aimed at preserving existing landscape; Class II, aimed at retaining the existing landscape while allowing low levels of landscape change that don't attract attention; Class III, aimed at partially retaining the existing landscape while allowing for moderate levels of landscape change that don't dominate the view of the casual observer; and Class IV, aimed at providing for management actions that may require major modifications to the landscape character.

FGDC and ESRI Metadata: