Medium-scale agricultural site mapping Brandenburg
Description
From today’s point of view, the MMK is a concept floor map with some terrain checks. After mapping in the years 1974 to 1981, the digital data on the MMK were collected with the technical possibilities of that time. GIS systems did not exist yet. It was a technical method for driving down the surface contours with relatively few bases with the aim of determining the area size of the respective mapping unit. The target of the MMK was 1: 100 000.
The contours were digitised by the working cards (topographical maps 1: 25000, edition before 1945, with the boundary lines of the catage units). These formed the basis for the printed maps on a scale of 1: 100000, whose topography was distorted for reasons of secrecy. Before 1990, these land regulations were used for the division of conditions and cultivation planning for agricultural production cooperatives and state goods.
After 1990, this data was made GIS-capable by the Federal Institute for Geosciences and Raw Materials. Changes were made to the coarse contouring of the individual surfaces only if surfaces overlapped, winding surfaces were present or surfaces were mirrored due to the technical survey procedure. Detected content errors have been fixed. After that, these data were divided into the then five new federal states. Until about 2001, this data was distributed in Brandenburg. After that, the land survey map of the country solved 1: 300000 (BÜK300) with comparable surface resolution and a comprehensive representation of this map.
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