The U.S. Bureau of Land Management will be accepting oil exploration bids for more than half of the land on a Northern Alaska petroleum reserve that’s the size of Indiana. The bureau’s announcement on Wednesday is the largest lease sale to be offered in the National Petroleum Reserve-Alaska, according to Alaska’s Energy Desk . A total of 900 tracts are up for bid, compared with the 145 tracts offered last year. The land up for lease was guided by industry interest in the past. But earlier this year, Interior Secretary Ryan Zinke directed the bureau to maximize the amount of reserve land available for lease. The reserve saw a spike in interest from the oil industry last year, which was spurred by a series of oil discoveries around its northeast part. Alaska’s congressional delegation praised the announcement, while environmental groups said the reserve should not be “plundered without restraint.” […]