(now Grotto Rock Park, given to City by Mason McDuffie
in 1917), is at far left on the current Santa Barbara Road
on future site of Cragmont Elementary School
(© Berkeley Historical Society)
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| 1880 Davis Farm, at Spruce & Marin. Grotto Rock (now Grotto Rock Park, given to City by Mason McDuffie in 1917), is at far left on the current Santa Barbara Road |
1890 Davis' saloon "The Bayview", at Spruce
& Marin on future site of Cragmont Elementary School (© Berkeley Historical Society) |
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| 1907 (John Aronovici, BHS) | 1912 Map (Inkstone) | 1925 First Cragmont School (© BHS) | 1933 Second Cragmont School, Auxiliary Classroom Building (BAHA) | |
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| 1926-1975 Second Cragmont School (Ratcliff
Architects) - N of Marin Avenue, S of Regal Road, W of Regal Road, E of
Spruce
Street Berkeley
Unified School District |
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| c.1940 (courtesy Anthony Bruce, BAHA) |
1976-1989 Third Cragmont School (Sanborn Map) |
| 1993 Geotechnical Investigation &
Feasibility Study for Fourth Cragmont Elementary School (Third Cragmont
closed after 1989 Loma Prieta Earthquake) |
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| Topography (USGS) | Fault Zone (Berkeley) | Seismic Hazards (CGS) | Slope Stability (AKA) |
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| Geology & Hayward Fault (Dibblee 1980) | Landslide & Colluvial Deposits (Nilsen 1975) | |
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| Fault Breaks (Radbruch-Hall 1974) |
Fault Traces (Lienkaemper 1992) |
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| Geomorphology | Engineering Geology |
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| EG Cross Sections | Exploratory Trench Log |
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| Exploratory Boring Logs (1964) | Exploratory Boring Logs (1975) |
Plasticity Chart (1993) |
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| Fault & Landslide Setbacks | Fault Clearance Zone |
Seismicity |
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| Model (Elbasani & Logan 1995) | Site Plan |
Floor Plan |
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| "White
Clay"deposits were derived from hydrothermal alteration and extensive weathering of the Mezozoic-age Northbrae Rhyolite |
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| Marcy Wong Donn Logan Architects |
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