Riverhead topographic map

Average elevation: 76 m

Average elevation: 126 m

Average elevation: 146 m

Average elevation: 151 m

Average elevation: 146 m

Average elevation: 116 m

Average elevation: 75 m

Average elevation: 144 m

Average elevation: 169 m

Average elevation: 159 m

Average elevation: 190 m

Average elevation: 143 m

Average elevation: 86 m

Average elevation: 123 m

Average elevation: 53 m

Average elevation: 116 m

Average elevation: 78 m

Average elevation: 156 m

Average elevation: 170 m

Average elevation: 183 m

Average elevation: 151 m

Average elevation: 138 m

Average elevation: 50 m

Average elevation: 142 m

Average elevation: 118 m

Average elevation: 63 m

Average elevation: 59 m

Average elevation: 67 m

Average elevation: 139 m

Average elevation: 125 m

Average elevation: 171 m