Officers searching for missing Bicker woman Diane Tytheridge have been focussing their efforts on Skegness after new information has come to light.
A force spokesman said CCTV in Skegness has captured Diane after she left the bus station in Skegness on Wednesday, June 25.
In the footage she is seen crossing the road and walking past Taylors Ford Garage and Iceland and was last spotted at 10.10am near the Lumley pub, heading towards Roman Bank.
Officers and PCSOs have today (Thursday) been visiting local B&Bs, guest houses and caravan parks, handing out leaflets and distributing posters.
Police continue to urge Diane to contact someone to let them know she is safe and are stressing that they are only interested in her welfare.
Diane is described as 5ft 4ins tall, of slim build, and has long fair hair.
Her clothing that day is non-descript (blue skinny jeans, a white top and a black jacket), the bag she was carrying is a distinctive crescent or banana shaped bag, bright blue in colour, with black underneath.
The spokesman said the Missing People charity offers a number of ways that someone can make contact to say they have not come to harm.
People can call or text 116 000 or email email@example.com.
Anyone who believes they have seen Diane, or who has any information concerning her whereabouts, is asked to contact Lincolnshire Police on 101, quoting incident number 371 of June 25.