20250327 09344600 1.0 TRUE Photolines - 0-1:2M scale Mackenzie Valley Air Photo and DEM Project, aerial photography flight line index. There are 3 files in the dataset. MVPM_Photolines MVPM_PhotoList MVPM_PhotoText The MVPM_PhotoCentres contains a point over every photocentre. The MVPM_Photolines contains the flight lines and MVPM_PhotoText contain annotation including photo roll numbers, flight line identifiers, and first and last photograph number in each flight line and every fifth photo.