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![Under the grass fields lie large quantities of sand and gravel.](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/mo_24.jpg?itok=e4ePAE19)
Nedre Helland- Sand Quarries
The three spades in the municipal coat of arms for Modalen are sand spades. Sand quarrying has brought income and employment. As much as 70,000-80,0000 tonnes of sand and gravel left the municipality each year since the turn of the millennium, to be used as cementing sand. Why is Modalen endowed with so much sand?
![Klokkarvatnet](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/190/klokkarvatnet.jpg?itok=7CkW0qZ8)
![The cross church from 1710](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/kvh_359-3_0.jpg?itok=a4Vem1vB)
![Sketch showing the process of formation of an esker.](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/skisse.jpg?itok=dTA78127)
![Moraine ridges, Fruo.](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/eid_22a.jpg?itok=V9Vy57R6)
Fruo
At Fruo, nature has built its own little "Chinese wall ". Some kilometers south of the Vøringsfossen waterfall, there are a number of moraine ridges, the longest and most notable of their kind in Hordaland.
![Rembesdalsskåka and the lower part of Demmevatnet, from Tresnuten. Demmevass cabin is visible to the left in the picture.](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/nv_491.jpg?itok=eg8SNPfS)
Simadalen
On the 10th of August, 1937, over half of the agricultural land in Simadalen was submerged by the river. The damage to roads and houses was also catastrophic. This was the most destructive flood ever recorded in Hordaland.
![The Eidfjord terrace as seen from Lægreid, presumably in the early 1900s.](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/eid_36.jpg?itok=_A8sZyMW)
Hæreid- geology
The Eidfjord terrace is a gigantic ridge that reaches up more than one hundred metres from the city centre in Eidfjord. It serves as a powerful natural monument left behind by the ice when it retreated.
![Grytøyrelva](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/nv_482.jpg?itok=xhxzmzEq)
![Opo](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/odda_32.jpg?itok=X8hRVGS1)
![From Helland toward the end of the valley with the Skrikjo waterfall.](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/ull_11.jpg?itok=aQL9hvnj)