Libraries Learning Commons: Map Sources at Libraries and Learning Commons: Ontario Base Maps

Find maps in the Libraries and Learning Commons

[Niagara Peninsula] [cartographic material] / Ontario Ministry of Natural Resources by Ontario.
Call Number: G 3462 .N53 A1 1984 O56
Publication Date: 1984
Ontario Base Maps (OBMs) - a series of colour topographical maps which cover most of Ontario

Check the Library's catalogue record for holdings

1998/1999 OBM set

Arranged by sheet number, using the UTM (Universal Transverse Mercator) coordinate system, for example ...

10 17 6250 47600

10 = scale of 1:10,000

17 = grid zone for Southern Ontario

6250 = the Easting (North/South border)

47600 = the Northing (East/West border)

Uses photography flown in 1984

Datum: NAD 83

Acess to the set is available via the

Ontario Ministry of Natural Resources web site.

1976 OBM set

The Ontario Base Map (OBM)

Series published in 1976

from aerial photography flown in 1975

Scale @ 1:10,000

Datum: NAD 83

Projection: UTM (Universal Transverse Mercator)

The Daniel J. Patterson Campus in Niagara-on-the-Lake Libraries and Learning Commons has the complete black & white set for the Regional Municipality of Niagara

Ontario GeoHub

The Ontario GeoHub is a website for discovering and downloading geospatial data. Powered by Land Information Ontario, GeoHub is the authoritative source for Ontario GeoSpatial Data.