Throughout the history of Pennsylvania, countless men supported their families by working with anthracite coal. Most of them toiled to bring it up from beneath the ground. Charles Edgar Patience was ...

The purchaser of this procurement project, "Pangang Group Vanadium & Titanium Resources Co., Ltd.'s June 2025 Pulverized Coal Injection (PCI) Anthracite (Panzhihua Anthracite) (PGWZMYHHD250523212424)" ...

The township will soon take acquisition of a historic Whitcomb industrial locomotive once used in anthracite mining. Last weekend, a group of men spent the day fastening iron rails and prepping ties ...

The main goal of the book is to provide a comprehensive and self-contained proof of the, relatively recent, theorem of characterization of the strong maximum principle due to Molina-Meyer and the ...

Fred Almgren exploited the excess method for proving regularity theorems in the calculus of variations. His techniques yielded Hölder continuous differentiability except for a small closed singular ...

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