ለመመዝገብ ከዚያ 1 ደቂቃ ያነሰ ጊዜ ይወስዳል ከዚያም ያልተገደበ ፊልሞችን እና የቴሌቪዥን ርዕሶችን መደሰት ይችላሉ ፡፡
Water for the Prairies 1951 ነፃ ያልተገደበ መዳረሻ
This 1950s' film looks at the measures to preserve water flow from the Rocky Mountains. With the steady falling of the water table, the exploitation of timber stands and the recession of glaciers, water conservation was an urgent concern of the Alberta and federal governments.
ዘውግ: Documentary
ተዋንያን:
ሠራተኞች: Lawrence Cherry (Director), Lawrence Cherry (Director of Photography), Evelyn Cherry (Producer), Lawrence Cherry (Producer), Jack Ammon (Script), Evelyn Cherry (Script)
ስቱዲዮ: ONF | NFB
የስራ ጊዜ: 18 ደቂቃዎች
ጥራት: HD
መልቀቅ: Jan 01, 1951
ሀገር: Canada
ቋንቋ: