GREENSBORO, N.C. — North Carolina Republican legislative leaders unloaded lots of paperwork at the door of federal judges deciding whether new General Assembly district maps passed last week can be used in next year’s elections.

Lawyers for GOP lawmakers filed electronically Thursday nearly 2,000 pages about the latest redistricting process that concluded with reworked House and Senate boundaries. The judges ordered new boundaries because they ruled nearly 30 districts drawn in 2011 were illegal racial gerrymanders.

The Republican mapmakers say they complied with set criteria and didn’t use racial data in drawing the districts, so that any majority-black districts were “naturally occurring” from other map rules.

Lawyers for voters who sued over the 2011 boundaries have until Sept. 15 to file objections and submit alternative maps. The judges could order redrawn boundaries again.