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-� � <br /> I . . <br /> EXHIBIT 4 <br /> 'WALL' SCHEMATIC ELEV. <br /> View to North <br /> (not to scale) <br /> --� Conc. block (1991) <br /> 12x8x5 Block <br /> 5�� replacing former <br /> -� - � limestone flagstone block <br /> Ground level \\\� <br /> 8 x 12 � Construction e�sting <br /> Conc. 8�� � at purchase in 1983 <br /> r� (Photos) <br /> block � 930.43 ft <br /> \ (1986) <br /> �*- --•��_ Vinyl edging added <br /> � Paving � '�� I 1991 for securing <br /> Transverse 4" flexible <br /> _ y� �� j�� alignment <br /> perforated tubing for � � Block !�. <br /> high-water ressure_�� <br /> � 15" a' ,� � <br /> equalization -- � and ' �� ! �� ��� � 929 ft. <br /> `��- � � � Brick � � ,� � �ke level on <br /> � ` � ---�- � ept.\1991 (Photos) <br /> Stone and � Y'�` /�� old � � \ � <br /> � �; � � <br /> � <br /> rubble � � t block 1 present �' � % /�, � <br /> backfill � � found- I fieldstone � � ��� <br /> � ���� � ation I riprap�- � l <br /> . <br /> Proposed <br /> additional <br /> riprap <br />