Methods of Development and Pillar Extraction in Mining the Pittsburgh Coal Bed in Pennsylvania, West Virginia, and Ohio

·
· U.S. Department of the Interior, Bureau of Mines
電子書
31
頁

關於本電子書

為這本電子書評分

歡迎提供意見。

閱讀資訊

智慧型手機與平板電腦
只要安裝 Google Play 圖書應用程式 Android 版和 iPad/iPhone 版，不僅應用程式內容會自動與你的帳戶保持同步，還能讓你隨時隨地上網或離線閱讀。
筆記型電腦和電腦
你可以使用電腦的網路瀏覽器聆聽你在 Google Play 購買的有聲書。
電子書閱讀器與其他裝置
如要在 Kobo 電子閱讀器這類電子書裝置上閱覽書籍，必須將檔案下載並傳輸到該裝置上。請按照說明中心的詳細操作說明，將檔案傳輸到支援的電子閱讀器上。

James Washington Paul的其他著作

A Study of Mine Roof of the Pittsburgh Coal Bed in the Pittsburgh Mining District
James Washington Paul
免費
A Study of Mine Roof of the Coking District of Western Pennsylvania
James Washington Paul
免費
How to Prevent Death and Injury from Falls of Roof in Coal Mines: Issues 6570-6584
James Washington Paul
免費
What the Coal Miners Can Do to Prevent Injury from Falls of Roof
James Washington Paul
免費

同類型電子書

The Use and Care of Mine-rescue Breathing Apparatus
James Washington Paul
5.0
免費
Questions and Answers on Timbering Bituminous Coal Mines
James Washington Paul
5.0
免費
Mine Fires and how to Fight Them
James Washington Paul
免費
The Use and Care of Miners' Safety Lamps
James Washington Paul
免費