"The greatest density of drills in US military history," Tarpley said.
The greatest density of this species in the United States is in the mesquite (Prosopis glandulosa) brushlands of south Texas.
He said he wore earplugs to muffle the sound of his semiautomatic weapon, and shot into areas that had the "greatest density of soldiers".
Cars were in shorter supply, but only relatively: London in those years had the greatest density of car ownership and use anywhere outside the United States, and traffic jams were already part of Putney life.
The oldest roads (<1870s) were characterized by having the greatest density of large hollow-bearing Eucalyptus trees, but few native conifer trees or shrubs.
A great many birds pass the winter in the Gulf States, but the principal wintering area extends through Mexico and Central America to Panama, which has the greatest density of winter bird residents in the world.
"If you were to pick one television show to advertise on to try to reach the greatest density of advertisers and marketers, 'Mad Men' is probably a good bet," said Ms. Klaassen.
If piers are your thing, then visit East Anglia, which has the greatest density of them still in existence; the most piers have been lost in the south-east, a number that tragically increased this week with the fire at Eastbourne.
A survey of bird activity in the plantations and in unplanted areas indicates that birds generally visit large trees and that those tree species most frequently visited by birds also have the greatest density of understory tree seedlings.
Béatrice de Andia, the founder and president of the Religious Heritage Observatory, in Paris, estimates that there are about 90,000 church buildings in France, of which about 17,000 are under government protection for their historic or architectural value, giving France the greatest density of religious buildings of any European country.
Tellingly Twitter's greatest density of users is in London.
