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.
Morton County, North Dakota. Morton County is a county located in the U.S. state of North Dakota. As of the 2010 census, the population was 27,471, making it the seventh-most populous county in North Dakota. Its county seat is Mandan. The county was originally created in 1873 and later organized in 1878. Morton County is included in the Bismarck, ND, Metropolitan Statistical Area