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sets (S5, S6 and S7) were not included in the <br />analysis, because their low frequency indicated that <br />they would not significantly influence block size. A <br />Terzaghi Correction (Terzaghi, 1965) was applied to <br />the discontinuity spacing field data to convert the <br />apparent spacing to true spacing. The apparent and <br />corrected spacing for each discontinuity set are <br />summarized in Table 1. <br />Figure X Layout of the study area and mitigation measures <br />7100 7 ASO X7500,1 <br />9 - <br />/_.1 <br />N ! a <br />ZOME3 / <br />r 7300 <br />dk <br />� e 990 <br />Figure 2: Block Volume Distribution <br />0 100 <br />U ■ ® : <br />80 <br />J <br />®I 1 �o�o 1 �000 <br />Block Volume (cubic feet) <br />• Boulder Survey Data A- Scanline Data <br />60 <br />40 <br />■ <br />20 <br />U <br />®I 1 �o�o 1 �000 <br />Block Volume (cubic feet) <br />• Boulder Survey Data A- Scanline Data <br />