L
L. M. Sebert
11 works on record
Works

Mapping a northern land

Mapping with simple instruments
Letters from the 49th parallel, 1857-1873
Letters from the 49th parallel, 1857-1873
2000
Dimensions and areas of maps of the national topographic system of Canada
Dimensions and areas of maps of the national topographic system of Canada
Map reading
Map reading
The determination of longitude in Western Canada
The determination of longitude in Western Canada
Surveying techniques before the telescopic theodolite
Surveying techniques before the telescopic theodolite
Every square inch
Every square inch
Taking the measure of Canada
Taking the measure of Canada
The 1:50000 monochrome series of the National Topographic System
The 1:50000 monochrome series of the National Topographic System
Mapping procedures for Canadian one-inch topographical maps prior to World War II
Mapping procedures for Canadian one-inch topographical maps prior to World War II