Which preposition to use with leavenworth

to Occurrences 6%

While we were viewing this scene, a long wagon train came pulling up the hill, bound out from Fort Leavenworth to some distant frontier post.

in Occurrences 4%

Father lay secreted in the corn-field for three days, as there were men in the vicinity who were watching for him all the time; he finally made his escape, and reached Fort Leavenworth in safety, whither the pro-slavery men did not dare to follow him.

at Occurrences 2%

General Harney was in command at Fort Leavenworth at the time of our visit, and a regiment of cavalry was stationed there.

toward Occurrences 1%

Major Sturgis was moving from Leavenworth toward Springfield, and expected to arrive there in advance of General Lyon.

about Occurrences 1%

We arrived at Fort Leavenworth about the middle of July, 1858, when I immediately visited home.

with Occurrences 1%

Upon my arrival in Leavenworth with the herd of cattle, Mr. Russell instructed his book-keeper, Mr. Byers, to pay me my wages, amounting to fifty dollars.

for Occurrences 1%

"The thing directed in my case was imprisonment at Fort Leavenworth for five years.

on Occurrences 1%

Starting from Cedar Valley on the 22d of October, I reached Fort Leavenworth on the 31st of December.

Which preposition to use with  leavenworth