TECHNICAL REPORT SUMMARY Prepared For …
SILICA SAND RESOURCES AND RESERVES OTTAWA OPERATION LaSalle County, Illinois ... 7.2.3 Sand Testing 7-2 7.2.4 Other Exploration Methods 7-3 ... (Sphericity and Roundness) 7-7 7.3.5 Crush Resistance 7-7 7.3.6 Mineralogical Analyses 7-7 7.4 Data Verification 7-8 7.5 Adequacy of Exploration and Sampling 7-8 8.0 SAMPLE …
