1 A Windows 7 product key number can only be used to activate the same edition of Windows 7 that it was for, and cannot be used to activate a different edition of Windows 7. 2  A Family Pack Windows 7 product key number can be used to activate the Family Pack Windows 7 copy on up to 3 computers at any one time.
1 The cost of decomposed granite is between $35 and $50 per cubic yard. 2  The average cost of crushed granite gravel is $60 per cubic yard. 3  The cost of pea gravel is about $50 per cubic yard.4  The cost of river rocks can be as low as $0.05 per pound. 5  Mexican beach pebbles average more than $700 per ton. The cost of pea gravel is about $50 per cubic yard. 2  The cost of river rocks can be as low as $0.05 per pound. 3  Mexican beach pebbles average more than $700 per ton.
Earlier that day, I passed a front yard that was a classic example of some of the problems with decomposed granite installations. DG is a great material, but it is important to understand its limitations and maintenance requirements to keep it looking as good as the day it was installed.Decomposed Graniteâs Problems:1- Rain and DG: DG is a combination of small pieces of granite gravel, and granite fines (basically granite sand). The fines is what allows DG to compact and makes it well suited for paths. The fines however, have a tendency to get muddy in winter.arlier that day, I passed a front yard that was a classic example of some of the problems with decomposed granite installations. DG is a great material, but it is important to understand its limitations and maintenance requirements to keep it looking as good as the day it was installed. Decomposed Graniteâs Problems: