The city’s annual street sealcoating project got underway here Tuesday morning, as shown in this photo taken by City Manager Joe Jarosek on Nelson Avenue. The project will eventually result in improvements to parts of Mesquite Street; Washita and Nelson avenues; and 3rd, 4th, 5th, and 6th streets. Portions of some streets on the north end of town, including Lamar and Austin avenues, will receive…