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.
The 2015 Census estimate for Lee was 4,363 residents, which ranked 84th among New Hampshire's incorporated cities and towns. Population Density and Land Area, 2015 (US Census Bureau): 218.4 persons per square mile of land area. Lee contains 20.0 square miles of land area and 0.2 square miles of inland water area.