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 2016 Collins, Iowa, population is 483. There are 988 people per square mile (population density). The median age is 33.4. The US median is 37.4. 51.51% of people in Collins, Iowa, are married. 18.40% are divorced. The average household size is 2.76 people. 36.11% of people are married, with children. 29.63% have children, but are single.