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Dam data table
Dam No.F1894
Nagahara Dam mOkayama Pref.n

Location (Latitude, Longitude) N 34591' 40''CE 13359' 29''   [Japanese Dam Finder]
Purpose^Dam type A^R
Height^Crest length^Dam volume 27m^101.8m^65 thousand m3
Catchment area^Water surface area 0.6km2^2ha
Reservoir capacity 163 thousand m3
FY project started^completed 1971^1981

1. Dam purposes are abbreviated as follows:
A: Agricultural irrigation   F: Flood control   I: Water supply for industry   N: Non-specified, river flow maintenance
P: Hydropower   R: Recreation   S: Snow melting &removing   W: Water supply

2. Dam types are abbreviated as follows:
A: Arch   B: Buttress   CSG: Trapezoidal CSG   E: Earthfill   FA: Asphalt face fill   FC: Asphalt core fill   G: Gravity
GF: Gravity concrete & fill dam (compound)   HG: Hollow gravity   MA: Multi-arch   R: Rockfill

3. The fiscal year (FY) in Japan is from April 1 to March 31 of the following year.

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