Original sentence: After the sale of the telephone company, the sisters moved to an unimproved property near Birdsview, building a small house for themselves and also putting up chicken houses and a barn.Having been in poor health over an extended period of time, Kate died on November 21, 1944.In July 1935, due to faulty business-dealings and ill-health, the sisters were forced to sell their phone company to the Skagit Valley Telephone company (later known as Continental Telephone) with service based out of Mount Vernon, Washington -  "downriver".In order to help pay off the debt that he sister left and she still owed to creditors, Nell bought an old tractor and worked wherever she could.Later, their chicken houses having burned from an electrical short, their debt increased because of a lack of  fire insurance.Nell stayed in Skagit County until her death in April of 1969 at the ripe old age of 93.Telephone pioneers
Edited sentence: After the sale of the telephone company, the sisters moved to an unimproved property near Birdsview, building a small house for themselves along with a barn and chicken houses.In July 1935, due to faulty business-dealings and ill-health, the sisters were forced to sell their communication enterprise to the Skagit Valley Telephone company (later known as Continental Telephone) with service based out of Mount Vernon, Washington -  "downriver".In order to help pay off the debt left behind by her sister, Nell bought an old tractor and worked wherever she could.Lady entrepreneurs and telephone pioneers.Later, with their chicken houses having burned from an electrical short, their debt increased from a lack of fire insurance.Nell stayed in Skagit County up to her death in April of 1969 at the ripe old age of 93.Then, having been in poor health over an extended period of time, Kate died on November 21, 1944 at the age of 78