Peter Nelson Dupee, 51, passed away yesterday afternoon while working for the J.C. Lackey Construction Company on a Union Oil Company lease near Blackwells Corner. Mr. Dupee complained of feeling ill in the afternoon and laid down for a few minutes’ rest. Shortly afterward an ambulance was summoned but when it reached the scene Mr. Dupee apparently had already died of a heart attack. He resided at 419 Rose Street and survivors are his wife, Martha; five daughters, Mrs. Pauline Norman, Mrs. Betty McElmurry, both of Taft and Mrs. Marie Williams, Mrs. Norma Hunt and Mrs. Helen LeClair, all of San Luis Obispo; eight grandchildren, one brother, Henry, Turon, Kan.; and one sister, Mrs. Veva Nelson, Klamath Falls, Ore.