Yes, dry mustard can safely be used as a substitute for mustard seed. However, it may make the brine cloudier than mustard seed and may alter the flavor.   1 teaspoon mustard seeds = 1Â½ teaspoons dry mustard.
Humeston is a city in Wayne County, Iowa, United States. The population was 494 in the 2010 census, a decline from 542 in the 2000 census.
Maclean, New South Wales. Maclean is a town in Clarence Valley local government area in the Northern Rivers region of New South Wales, Australia. It is on the Clarence River and near the Pacific Highway. At the 2011 census, Maclean had a population of 2,600, the total area including Gulmarrad and Townsend districts had a population of 5,061. Its industries are tourism, sugar cane production, farming and river-prawn trawling.