2011 California State Science Fair Participants
Joseph P. Monaghan
- Project J0808
- Joseph P. Monaghan, Grade 8
![portrait](images/anon_ss.gif)
Sinkholes: Grout Method vs. Graded Filter Technique for Repairing Typical Cover Collapse Sinkholes in Karst Areas
Advisor: Mrs. Mary Pettitt
School: St. Adelaide School, Highland, San Bernardino County
![CSSF_bar](/CSSF/graphics/CSSF_Bar.jpg)
California State Science Fair
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2011
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Portraits
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CalifSF@usc.edu