01458nas a2200181   4500000000100000000000100001008004100002260000800043100001600051700001600067700001600083700001500099245005300114300001000167490000700177520107800184022001401262       2007                            d  csep1 aPuche Riart1 aL. Martinez1 aJ. Menendez1 aJ. Borrajo00aHistoric gypsum-kilns (Morata de Tajuna, Madrid)  a81-870 v573 aIn the locality of Morata de Tajuna and surroundings there was an important settlement of gypsum pits and lime-kilns, together with other historical industries, now disappear. These activities were developed mainly during the 1960 s and 70 s, but its production decreased because of changes in the productive processes (substitution of discontinuous processes by continuous ones, higher kilns, etc.) (1). Nevertheless, some of these furnaces still remain, as well as ancient workers who have provided important information.Within the research project funded by the Madrid s Government, entitled. Industrial archaeology., Conservation of the mining and metallurgical heritage of Madrid (IV), ancient gypsum pits have been identifiled and inventoried, The ancient gypsiferous extraction history was recovered and the productive processes fluxes were reconstructed. The state of the heritage is evaluated and the conservation of some of the elements is recommended. Likewise, the intangible heritage was also investigated, being able to show a legend related with these kilns.  a0465-2746