Vols. for Jan. 1896-Sept. 1930 contain a separately page section of Papers and discussions which are published later in revised form in the society's Transactions. Beginning Oct. 1930, the Proceedings are limited to technical papers and discussions, while Civil engineering contains items relating to society activities, etc.

Introduction -- Recurrent and non-recurrent economic fluctuations at the national level -- Constraints on business decision-making-the impact of geology, topography and mining technology -- Prior investment in mining and transportation infrastructure -- Railroad expansion and corporate control -- Network development strategies and the articulation of the anthracite distribution region in interior markets -- Railroad expansion and corporate control II: tidewater markets, trunk line connections and comparative economic performance -- Waxing and waning markets I: sectoral shifts in the use of anthracite -- Waxing and waning markets II: the changing geography of market power -- Waxing and waning markets III : regional shifts, price behaviour and the changing size -- Composition of anthracite production -- Corporations, competition and the rise of the cartels I : precursors and pre-disposing factors to industry-wide combination -- Corporations, competition and the rise of the cartels II: the 1873 combination and its successors -- Developing and managing the coal estate -- Region building I: financing development in the mining economy -- Region building II: investment in new mining and railroad capacity -- Regional retrenchment: rationalization and reorganisation in the Schuylkill region 1872-1902 -- Regional dynamics, disequilibrium tendencies and regional economic development -- Notes for chapters 1-16 -- Preface to bibliography.