[Second Avenue "El".]

[Third Avenue El at Cooper Square.]

[Franklin Square station of the Third Avenue El.]

[Chatham Square station of the Third Avenue El.]

[Hanover Square station of the Third Avenue El.]

[Third Avenue El from Cooper Union.]

[Cutting through trusses of the Third Avenue El near Cooper Square.]

[Third Avenue El from the Cooper Union.]

[Cutting through tresses of the Third Avenue El near Cooper Square.]

[Second Avenue El.]

[Third Avenue El from roof of Cooper Union.]

[Cooper Square.]

[Third Avenue El looking north from rear car of downtown Third Avenue El at about 4th Street heading south along the Bowery.]

[Third Avenue El from the roof of Cooper Union.]

[Second Avenue El train tracks.]

[Beginning demolition of 6th Avenue El.]

"El," Second and Third Avenue Lines

[Demolition of 6th Avenue El.]

[25 Cooper Square]

[The 6th Avenue "El".]