|Technical Report on Sound Levels in Bryce Canyon National Park and the Noise Impact of the Proposed Alton Coal Mine.
Foch, J. D. ;
Oliver, G. S. ;
|Colorado Univ. at Boulder. Noise Technical Assistance Center.;Environmental Protection Agency, Denver, CO. Region VIII.
Sound transmission ;
Coal mining ;
Surface mining ;
Acoustic measurement ;
Bryce Canyon National Park ;
Alton Coal Mine
|Some EPA libraries have a fiche copy filed under the call number shown.
Sound levels in Bryce Canyon National Park were measured during two monitoring periods. This report is an account of the levels measured and is an attempt to predict the probable noise impacts of surface coal mining within the park.