Note that in most cases, when charges are sent to a federal grand jury, an indictment is nearly always the result. The federal government has plenty of resources to gather evidence against you in court. Federal drug cases are usually larger cases that involve trafficking and distributing large amounts of drugs.
The 5-furlong (1006 m) post on Epsom Downs. A furlong is a unit for measuring distance. It is part of the Imperial and United States customary systems. It is equal to 660 feet or 201.168 metres. There are eight furlongs in a mile.
Gunter's Chain - Unit of length equal to 66 feet, or 4 poles. This unit was apparently defined as one tenth of a furlong, a common unit of length in the old days. The mile was redefined from the old Roman value of 5000 feet to 5280 feet in order to be an even multiple of furlongs. A mile is 80 chains.