TABLE OF CONTENTS (continued) 



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3.8.1 Selection and Processing of Additional Cores 44 



3.8.2 Comparison of Methods of Microfossil Preservation 45 



3.9 Tracer Analyses 46 



3.9.1 Sewage Tracer (Royal River only) 46 



3.9.2 Grain Size 46 



3.9.3 Coarse Fraction 46 



3.9.4 Fine Fraction: Microfossil and Mineralogy Observations 46 



3.10 Multivariate Statistical Analyses of Fine Fraction Results 47 



3.10.1 Sample Selection and Database Description 48 



3.10.2 Clustering and Multi-Dimensional Scaling Analysis 48 



3.10.3 Analysis of Similarities 49 



3.10.4 Discriminant Statistical Analysis 50 



4.0 RESULTS 51 



4 . 1 Royal River Sediment Coring 51 



4.1.1 Sediment Characterization 51 



4.1.2 Sediment Tracer Analysis 52 



4.2 Royal River Project Area August 1995 Baseline Survey 59 



4.3 Expanded Royal River Project Area February 1996 Baseline Survey 59 



4.3.1 Bathymetry 62 



4.3.2 REMOTS® Sediment-Profile Photography 62 



4.3.3 Planview Photographs 67 



4.3.4 Side-Scan Sonar 67 



4.4 Royal River Project Area Precap Survey 69 



4.4.1 Bathymetry 69 



4.4.2 REMOTS® Sediment-Profile Photography 74 



4.4.3 Sediment Grab Sampling 74 



4.5 Royal River Project Area Postcap Survey 87 



4.5.1 Bathymetry 87 



4.5.2 REMOTS® Sediment-Profile Photography 89 



4.5.3 Sediment Coring 97 



4.6 Processing and Analysis of Additional Royal River Cores 107 



4 . 7 Multivariate Statistical Analysis of Fine Fraction Results Ill 



4.7.1 Clustering and Multi-Dimensional Scaling Results Ill 



4.7.2 Analysis of Similarities 116 



4.7.3 Discriminant Statistics 116 



5.0 DISCUSSION 119 



5 . 1 Assessment of the Footprint of the Capped Disposal Mound 119 



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