Depths — Lake Superior
Great Lakes
from $32.00
Matte poster
- Sizes: 12 × 12 in, 16 × 16 in, 18 × 18 in
- Paper: enhanced matte, 10.3 mil (0.26 mm), 189 g/m²
- Printing: water-based inkjet
Framed poster
- Sizes: 18 × 18 in
- Paper: matte, 10 mil (0.25 mm), 260 g/m²
- Frame: ayous wood, 0.75 in (1.9 cm) thick; Black, Red Oak or White
- Acrylite front protector; hanging hardware included
- Printing: water-based inkjet
Depth: NOAA National Centers for Environmental Information (NCEI), Bathymetry of Lake Superior (draft grid). 3 arc-second grid, about 90 m cells; metres below low water datum. Not for navigation.