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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?
![Potholes](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/gra_31.jpg?itok=W2LZyIpN)
![Hana](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/berg_56.jpg?itok=xl5rWX0M)
![Dale power station](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/kvh_333-4xx.jpg?itok=Y26ZxQM5)
Dale power station
In 1923 Bergenshalvøens Kommunale Kraftselskap (BKK) expropriated large areas for power plants and development of hydropower started soon afterwards. Dale power station with the two first aggregates, each of 14 MW was put into operation on 17 November 1927. In the supply reservoir in Storefossen 5152 cubic metres of concrete were cast, and a modern and well-equipped power station was built.
![The wheelhouse at Hovdanes, Tysnes](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/kvh_224-3.jpg?itok=hDerF4kE)
![Boat builder Magnus Trå tests the stability of the newly built four-ored boa](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/kvh_377-xx.jpg?itok=owKbR6jg)
![Hardanger fartøyvernsenter](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/190/torvik_beskaret.jpg?itok=N0CmeyIO)
![The power station at Herlandsfossen, Osterøy](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/kvh_327-4.jpg?itok=UYh1p6Mj)
![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)
![Langavassmyrane looking towards Langavatn.](https://www.grind.no/sites/default/files/styles/medium/public/bilder/sted/232/eid_39.jpg?itok=TWhBEzeV)
Langavassmyrane
The Ruff lek on Langvassmyrane is the only known phenomenon of its kind on Hardangervidda. Every year it attracts hens from the whole plateau. The marsh is also the richest wetland in the county. This green oasis is located in a rocky moraine landscape a few hours walking distance south of Dyranut.