Hydrologic evaluation of a hypothetical coal-mining site near Chrisney, Spencer County, Indiana

Open-File Report 80-1107
By: , and 



Protecting the water resources of the Nation is a major emphasis of the Surface Mining Control and Reclamation Act, PL 95-87. Permanent regulations established for this Act by the Office of Surface Mining (OSM) require the issuance of a permit before mining begins. An application for a mining permit must include an assessment of the hydrologic characteristics of the mining site and adjacent area, and a projection of the potential impacts of mining activities on surface water and ground water.

OSM's permanent regulations and guidelines provide little insight on the "how to" aspect of making the required hydrologic assessment. This investigation was completed to improve the understanding of the kinds of information needed to make such assessments by: (a) reviewing the regulations to determine what hydrologic information is required; (b) preparing an example hydrologic assessment based on the regulations; and (c) using the experience gained in (a) and (b) to identify areas lacking or needing additional data to make the required assessment.

Hydrologic data for the study area were obtained from published and unpublished reports, maps, aerial photographs, personal interviews with residents in the area of the hypothetical mine site, and discussions with experts in the field. Where data were unavailable, "synthetic" data were generated by extrapolation from proximate or similar watersheds and (or) by assumptions based on experience or theory. Some field data were collected to corroborate and augment information originating from all these sources.

Study Area

Publication type Report
Publication Subtype USGS Numbered Series
Title Hydrologic evaluation of a hypothetical coal-mining site near Chrisney, Spencer County, Indiana
Series title Open-File Report
Series number 80-1107
DOI 10.3133/ofr801107
Year Published 1980
Language English
Publisher U.S. Geological Survey
Publisher location Indianapolis, Indiana
Description xix, 133 p.
Country United States
State Indiana
County Spencer County
Google Analytic Metrics Metrics page
Additional publication details