PUBLIC NOTICE Notice is hereby given that Heidelberg Materials Northeast LLC proposes to continue to conduct surface blasting in compliance with all applicable State and Federal Laws. The blasting will occur at the Jacksonville Quarry operation, Noncoal Surface Mining Permit Number 14920302. Blasting is scheduled for Monday through Saturday, inclusive, between the hours of 7:00 a.m. to sunset. The above schedule is applicable to the tract of land that lies approximately three-quarters of a mile west of State Route SR-26 and State Route SR-1010 intersection, in Marion Township, Centre County. The blast area may be located on the Mingoville, PA USGS 7.5' Quadrangle Map approximately 20 inches north by 3 inches west of the bottom right corner. Access to the blasting area will be controlled by the placement of warning signs at every entrance to the operation and access road barricades will be erected at a minimum of 10 minutes before each detonation. The audible warnings and all clear signals to be used before and after detonation are as follows. Pre-Warning: Three (3) audible signals of an air horn or siren, each lasting approximately 5 seconds, at least 1 minute but no more than 2 minutes before detonation. All-Clear Signal: One (1) audible signal, lasting approximately 10 seconds. Emergency situations that might prevent scheduled detonations or that may require unscheduled detonation include rain, lightning, other adverse atmospheric conditions and operator or public safety. Written comments should be submitted to the District Mining Manager, PA Department of Environmental Protection, 186 Enterprise Drive, Philipsburg, PA 16866. IPL0330632 Apr 14 2026