Flood Prevention in Anthracite Mines, Northern Field: Anthracite Region of Pennsylvania, Project Number 1 (Lackawanna) Page: IV
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Project No. 1 (Lackawanna)-Continued Page
Motors _ - -- 54
Type_ _ _ _ _-__ _54
Cooling --_54
Efficiency_ -54
Pump chamber __54
Estimated cost __54
Construction schedule __ ___ _54
Economic analysis -55
Cooperation with local interests -_-57
Conclusions_ -_- --_-____ _ 58
Recommendations_ __ -___- - - --__- - -_59
Bibliography-___ _ __-- - _ _--- _ 60
ILLUSTRATIONS
Fig.
1. Extent and configuration of the anthracite region of Pennsylvania___ 6
2. Line of proposed main drainage tunnel from Throop (Eddy Creek), Pa., to Conowingo, Md 7
3. Schematic flow chart of proposed Conowingo tunnel system_ _ Pocket
4. Geologic map of the Northern field __- Pocket
5. Cross section through the anthracite measures and underlying formations in the vicinity of Duryea, Pa.,
showing the relative position of the proposed Conowingo tunnel_ _29
6. Plan map and longitudinal section along alinement of proposed tunnel in Project No. 1 (Lackawanna) Pocket
7. Rainfall in the Northern anthracite field and trend for years 1910-52 -_-30
8. Hydraulic properties of tunnel sections (full) __34
9. Hydraulic properties of tunnel sections (92 percent full) 35
10. Hydraulic properties of tunnel sections (50 percent full) 36
11. Circular tunnel sections (unsupported) __37
12. Circular tunnel sections (supported 2800) ___37
13. Topographic map of vicinity of Dickson shaft_ 38
14. Plan view and vertical section through Dickson shaft, showing geologic formations 39
15. Plan view and vertical sections, showing arrangement at Dickson shaft_ __40
16. View of headframe and surface buildings at Dickson shaft _-41
17. View of vicinity of Dickson shaft, showing area available for dump _____41
18. Topographic map of vicinity of Dodge shaft 42
19. Plan view and vertical section through Dodge shaft, showing geologic formations _43
20. View of headframe and surface buildings at Dodge shaft ___44
21. View of surface features at Dodge shaft _44
22. View of surface features at Dodge shaft, showing area available for dump __45
23. Topographic map of vicinity of Old Forge No. 2 shaft_ __46
24. Plan view and vertical section through Old Forge No. 2 shaft, showing geologic formations_ __47
25. Plan view and vertical section, showing arrangement at Old Forge No. 2 shaft __-_-__48
26. View of surface features at Old Forge No. 2 shaft, showing pump discharge into Lackawanna River .. 49
27. View of headframe and surface buildings at Old Forge No. 2 shaft_ _50
28. View of surface features at Old Forge No. 2 shaft, showing area available for dump_ 50
29. Plan views of typical pumproom layout ___52
30. Longitudinal and transverse sections through typical pumproom layout_ _53
31. Graphic schedule of time and disbursements estimated to complete Project No. 1 (Lackawanna) .... 55
TABLES
1. Rainfall in the Northern anthracite field (inches) __-31
2. Tunnel construction quantities required (excavation and concrete) _______-____33
3. Preliminary construction cost estimate for Project No. 1 (Lackawanna) of the Conowingo tunnel ------- 54IV
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Ash, S. H. (Simon Harry), b. 1889; Dierks, H. A.; Kynor, H. D.; Lesser, W. H.; Miller, P. S. & Romischer, W. M. Flood Prevention in Anthracite Mines, Northern Field: Anthracite Region of Pennsylvania, Project Number 1 (Lackawanna), report, 1954; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc12703/m1/4/: accessed April 26, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.