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Fort Rosecrans, Mining Casemate, Point Loma, San Diego, San Diego County, CA



B&W Photos

HB135672
Northern Elevation, View To The South

HB135673
Southern Elevation, View To The North

HB135674
Northwest Elevation Looking Southeast From Sylvester Road

HB135675
Roof Looking Northeast From Guijarros Road

HB135676
Northeast Elevation Looking Southwest

HB135677
Main Entry, Northwest Elevation Looking Southeast

HB135678
Southeast Elevation Looking Northwest

HB135679
North Elevation Looking South

HB135680
Main Entry Looking Southeast

HB135681
Main Entry Stairway Looking Southeast

HB135682
Engine Room Looking Southwest

HB135683
Control Room Looking Southwest

HB135684
Stairway Tunnel From Building 158 To Control Room Looking North

HB135685
Stairway Tunnel To Building 158 Looking South

HB135686
Control Room Looking Northeast

HB135687
Control Room Doorways Looking West

HB135688
Battery Room Looking Southeast

HB135689
Engine Room Looking Northeast

HB135690
Control Room, Detail Of Cable Gallery Looking East

HB135691
Lightwell With Portion Of Wood Roof Platform Looking Northeast

HB135692
Sleeping Room Looking Northwest

HB135693
Sleeping Room Looking Southeast

HB135694
Engine Room Looking North

HB135695
Completed Mine Facilities At Fort Rosecrans, 1911, Torpedo Structures

HB135696
Plans Of Addition To The Mining Casement Completed In 1899, Plan And Sections Of Engine And Battery Room

HB135697
Mining Casement At Fort Rosecrans 1989, Typical Section Showing Cable Gallery And Through From Casement To The Water

HB135698
Endicott Period Fortifications At Ballast Point, Batteries Mcgrath, Wilkenson, Fetterman, And Mining Casemate

HB135699
Proposed Additions To The Fort Rosecrans Submarine Mine Facility, 1908


Data Pages


Photo Caption Pages


Item Title


Location
Point Loma, San Diego, CA

Find maps of San Diego, CA


Created/Published
Documentation compiled after 1933.

Notes
Survey number HABS CA-2255-A
Significance: The Mining Casemate (Building 167) at the old Fort Rosecrans U.S. Army Coastal Defense Facility represents an extremely early use of reinforced concrete as applied to military installations and is the only example of its period and type in southern California. Originally intended as an electronic control facility for the detonation of mines, the underground building was designed to withstand the direct impact of heavy battleship artillery shells, thereby allowing for the continued protection of the harbor against possible invasion. As a result, the design and construction of the facility were directed solely toward the uninterrupted operation of the unit with little, if any, regard for user comfort. The building is, therefore, a remarkably pure expression of utilitarian construction and design where form is dictated entirely by function. Built in 1897, the structure was remodeled in 1899, 1909, and 1917 in efforts to upgrade it in accordance with progressive developments in warfare planning and technology.

Collection
Historic American Buildings Survey (Library of Congress)

Contents
Photograph caption(s): 
1. NORTHERN ELEVATION, VIEW TO THE SOUTH
2. SOUTHERN ELEVATION, VIEW TO THE NORTH
3. NORTHWEST ELEVATION LOOKING SOUTHEAST FROM SYLVESTER ROAD
4. ROOF LOOKING NORTHEAST FROM GUIJARROS ROAD
5. NORTHEAST ELEVATION LOOKING SOUTHWEST
6. MAIN ENTRY, NORTHWEST ELEVATION LOOKING SOUTHEAST
7. SOUTHEAST ELEVATION LOOKING NORTHWEST
8. NORTH ELEVATION LOOKING SOUTH
9. MAIN ENTRY LOOKING SOUTHEAST
10. MAIN ENTRY STAIRWAY LOOKING SOUTHEAST
11. ENGINE ROOM LOOKING SOUTHWEST
12. CONTROL ROOM LOOKING SOUTHWEST
13. STAIRWAY TUNNEL FROM BUILDING 158 TO CONTROL ROOM LOOKING NORTH
14. STAIRWAY TUNNEL TO BUILDING 158 LOOKING SOUTH
15. CONTROL ROOM LOOKING NORTHEAST
16. CONTROL ROOM DOORWAYS LOOKING WEST
17. BATTERY ROOM LOOKING SOUTHEAST
18. ENGINE ROOM LOOKING NORTHEAST
19. CONTROL ROOM, DETAIL OF CABLE GALLERY LOOKING EAST
20. LIGHTWELL WITH PORTION OF WOOD ROOF PLATFORM LOOKING NORTHEAST
21. SLEEPING ROOM LOOKING NORTHWEST
22. SLEEPING ROOM LOOKING SOUTHEAST
23. ENGINE ROOM LOOKING NORTH
24. COMPLETED MINE FACILITIES AT FORT ROSECRANS, 1911, TORPEDO STRUCTURES
25. PLANS OF ADDITION TO THE MINING CASEMENT COMPLETED IN 1899, PLAN AND SECTIONS OF ENGINE AND BATTERY ROOM
26. MINING CASEMENT AT FORT ROSECRANS 1989, TYPICAL SECTION SHOWING CABLE GALLERY AND THROUGH FROM CASEMENT TO THE WATER
27. ENDICOTT PERIOD FORTIFICATIONS AT BALLAST POINT, BATTERIES McGRATH, WILKENSON, FETTERMAN, AND MINING CASEMATE
28. PROPOSED ADDITIONS TO THE FORT ROSECRANS SUBMARINE MINE FACILITY, 1908


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