The application of automated cartography in the Ordnance Survey [Land Surveyors Conference], 12 February 1970
Erwin, M. St G.
The application of automated cartography in the Ordnance Survey [Land Surveyors Conference], 12 February 1970 - ii. 9 leaves. one table
Unpublished paper, reference L1/4/70/2; Filed in Archives box 1970/5 A
526
The application of automated cartography in the Ordnance Survey [Land Surveyors Conference], 12 February 1970 - ii. 9 leaves. one table
Unpublished paper, reference L1/4/70/2; Filed in Archives box 1970/5 A
526