This practice addresses underground coal mining extent geospatial data relative to the Surface Mining Control and Reclamation Act of 1977 (SMCRA) and 30 CFR Part 700 et seq. This practice is significant to the coal mining community because it provides for uniformity of geospatial data pertaining to underground coal mine extents for mines located throughout the United States. These standards will help ensure uniformity of data contributed by each RA and assist organizations in future efforts to create and utilize geospatial data relative to underground coal mining extents in the United States. The first standard developed is Practice D 7384, Practice for Minimum Geospatial Data for a Coal Surface Mining Permit Boundary.

Underground mine geospatial data shall be obtained from State and Federal regulatory authorities for underground mining extents. The coal mining community encompasses all entities directly and indirectly affected by coal mining activities, including industry, environmental groups and the government at all levels within the United States. Use of this standard will help create consistent maps and increase awareness of underground mining extents throughout the United States. This standard creates well organized and easily accessible underground coal mining extents data, and it will lead to better communication between the RAs and federal offices, the public, industry and environmental groups.

As used in this practice, the geospatial data represents an area where coal removal occurred within a defined UCMO. An underground mine extent is defined as a polygon or polygons. A lack of data from any RA will create a gap in the national underground mining extents geospatial data set. This national coal mining data set consists of underground coal mining extents data from each RA, which will show the locations of underground coal mines throughout the United States. Currently, each coal producing state organizes their data in a different method, and their own naming conventions and terminology. By establishing national geospatial data standards, guidance is provided to RA coal mining programs that do not have any geospatial data standards of their own. This practice creates an easier and more efficient way to utilize and share underground mining extent geospatial data between RAs and the coal mining community.

If there is a lack of uniform practices among RAs, certain attributes of the underground coal mining extents data may not be present in some RAs's geospatial data. If this is the case, the finished data set for underground coal mining extents will appear to be incomplete for certain states, but in reality, some underground coal mining extents geospatial data will not be collected for those states, since it may not be applicable to them.

This standard conforms to the definition of a Data Content Standard as promulgated by the U.S. Federal Geographic Data Committee (FGDC). Terminology and definitions for identifying geographical features and describing the data model have been adopted from the FGDC Spatial Data Transfer Standard and the FGDC Framework Data Content Standard (FGDC Project 1574–D) Information Technology—Part 5 Governmental unit and other geographic area boundaries.

Although this standard is written specifically for the underground coal mining industry, its general purpose and content may be applicable to other underground mining extents.

1.1 This practice covers the minimum elements for the accurate location and description of data for defining underground coal mining extents.

1.1.1 This practice addresses coal mining geospatial data relative to the Surface Mining Control and Reclamation Act of 1977 (SMCRA). This geospatial data shall be obtained from each state, tribal, or federal (or combinations thereof) coal mining regulatory authority (RA) authorized under SMCRA to regulate the surface effects of underground coal mining operations (UCMO).

1.1.2 As used in this practice, underground coal mining extents represent an area where coal removal has occurred within a defined UCMO.

1.2 This practice applies to pre-SMCRA and post-SMCRA underground coal mining extents.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

1.5 This practice offers a set of instructions for performing one or more specific operations. This document cannot replace education or experience and should be used in conjunction with professional judgment. Not all aspects of this practice may be applicable in all circumstances. This ASTM standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a project’s many unique aspects. The word “Standard” in the title of this document means only that the document has been approved through the ASTM consensus process.