APCH CTLR UNAWARE OF CLOSED RWY SMT Y MADE APCH TO OCCUPIED RWY AND MISSED APCH.

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SPOKANE; WA; APCH IS THE CTLING FACILITY FOR IFR TFC IN AND OUT OF COEUR D'ALENE; ID; WHICH IS ABOUT 32 MI NE OF SPOKANE. SINCE THE CONSOLIDATION OF THE FSS; BOISE; ID; AFSS IS THE FACILITY THAT HANDLES THE NOTAMS FOR COEUR D'ALENE. THERE IS NO PROC/LOA BTWN BOISE AND SPOKANE APCH CTL FOR THE DISTRIBUTION OF NOTAMS. SPOKANE APCH IS NOT GETTING THE NOTAMS FOR COEUR D'ALENE. THE ONLY WAY TO CONTACT BOISE AFSS IS BY COMMERCIAL TELEPHONE. THIS MORNING I RELEASED AN ACR X OFF COEUR D'ALENE IFR TO BOISE; ID. THE PLT ASKED ME IF THE NOTAM CLOSING THE RWY HAD BEEN CANCELED. I HAD NO KNOWLEDGE THE RWY WAS CLOSED. ABOUT 3 HRS LATER; I CLRED SMT Y FOR AN ILS APCH TO RWY 5 AT COEUR D'ALENE. WHEN THE ACFT WAS ABOUT 3 MI FINAL THE PLT CAME BACK ON THE FREQ AND SAID HE WAS MAKING A MISSED APCH BECAUSE THERE WAS MEN AND EQUIP ON THE RWY. THE SNOW PLOW DRIVER; THEN CAME UP ON THE FREQ AND SAID THEY WERE PLOWING THE RWY AND IT WAS CLOSED. AGAIN; I HAD NO KNOWLEDGE OF THE RWY CLOSURE. THE WX WAS VERY POOR IN BOTH INSTANCES. THERE IS ALSO NO PROC FOR SPOKANE APCH TO GET THE COEUR D'ALENE AWOS INFO.