OREGON, Mo. - A majority of Holt County residents Tuesday approved a quarter-cent sales tax hike to fund improvements to the 911 emergency telephone network.

In final unofficial results, the measure passed by a margin of 503-350. Only 22 percent of the electorate cast ballots.

Elsewhere in elections throughout the region:

-- The largest school bond issue put before voters this November was $6 million in the North Platte R-1 School District. Voters gave the first-time issue a resounding yes with 577 votes to 430 no votes.

-- Rock Port voters will have to wait until sometime this morning to know the outcome of their school issue. This was the sixth time for voters to decide on the issue, which would replace the 80-year-old junior and senior high school building. The issue needed a voter approval rating of 57.1 percent.

There were 460 yes votes to 343 no votes, which means the issue may have passed by two votes, said Alan Kerr, the Rock Port R-II superintendent.

--A 69-cent levy increase was defeated in the Mound City R-II School District.

-- Voters gave the Trenton R-IX School District a big thumbs up. The $4 million bond issue received a 74 percent yes to 26 percent no.

-- Residents of the city of Maysville, Mo., approved $2 million in water and sewer bonds for major repairs to the current water plant, built in 1975. The final tally was 147-28. The approval includes construction of a 100,000-gallon water tower.

-- The Harrison County Water Supply District No. 2 will receive $6 million in waterworks enhancements after voters approved bonds by a count of 103-21.

-- The village of Turney, Mo., rejected a $1.5 million sewer construction and maintenance project. The village's vote was 28-44.