topographical, [61];
topographical, preparation of, [467], [468];
topographical, verification of, [469];
to show dispersion of diamonds in Lake region, [308];
to show dispersion of peculiar rocks, [305];
to show distribution of existing glaciers, [263];
to show formation of shore features, [238];
to show glaciated areas of Pleistocene period, [297];
to show reciprocal relation of land and sea, [11].
Marble, [466].