Datum Planes in Illinois

Datum Planes in Illinois

Author: John Clark McKibbin

Publisher:

Published: 1953

Total Pages: 166

ISBN-13:

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A short history of the establishment of the more important datum planes for leveling in Illinois which describes the relationships that exist between these planes, and presents various tables of elevations to assist in making conversions for one datum plane to another.


Monthly Catalog of United States Government Publications

Monthly Catalog of United States Government Publications

Author: United States. Superintendent of Documents

Publisher:

Published: 1952

Total Pages: 1360

ISBN-13:

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February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.