836 SEC, 16. GEOLOGY AND MINING. 



3340. Geological Map of the Boundary Mountains, 

 Eastern Bavaria. Scale i^oV cir Sheet I. 



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Geological Survey of Bavaria (Dr. Giimbel). 



3341. Geological Sheet. Views of the Bavarian Alps. 



,, Fichtelgebirge I. 



Views from the eastern 



Bavaria boundary mountains. 

 Fichtelgebirge II. (in progress). 



Views of the Fichtelgebirge. 



Geological Survey of Bavaria (Dr. Giimbel). 



3342. Four Single Sheets of the Original Geological 

 Survey, showing the different stages of progress, scale 5-oVo- 



Geological Survey of Bavaria (Dr. Giimbel). 



3343. Geological* Detail Sheet reduced from the single 

 sheets, scale 25000* 



Geological Survey of Bavaria (Dr. Giimbel). 



3344. Geological Sheet of a part of the Upper Bavarian 

 Lower Miocene (Oligocene) beds. 



Geological Survey of Bavaria (Dr. Giimbel). 



These maps, while exhibiting the geological work done in Bavaria, also 

 illustrate the mode in which the maps published on the scale of 1 : 100,000 

 have been produced. The land tax maps, scale 1 : 5,000, have been used for 

 this purpose, and the observations made were entered on the spot (sheets 13- 

 15), and afterwards geologically coloured. These observations have been 

 then transferred to maps of a different scale 1:25,000 (Sheet No. 16), then to 

 the military atlas 1:50,000 (No. 18), and lastly to the scale of those published 

 1:100,000(1-11). Each original sheet maybe obtained for the actual cost 

 of production. 



3269. Agricultural Map of Belgium. 



(a.) Geology and mining. Geological models, horizontal and 

 vertical sections. 



(b. and c.) This map shows, by means of colours and signs, the 

 mineral constitution of the soil of Belgium, based on the geological 

 data, and the different kinds of cultivation. The agricultural land 

 is divided into regions, and the latter into zones. 

 (d.) Height, 0'45 m ; width, 0'50 m . 



C. Malaise, Professor at the Government Agricultural 

 Institute, Gembloux (Province of Nanmr, Belgium). 



