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2006 Hummer H3

Owner reports · Recalls · Investigations

More warning signs than most H3 years

Owner complaints for the 2006 Hummer H3 are substantially higher than the model-year median of 91.

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When problems were reported

Mileage at the reported incident

286 reports with mileage · 75 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 96 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 52 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Structure. Review the 36 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

10 crash reports27 fire reports7 injury reports

Structure complaints

36 reports
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105,000 miles · Jun 20, 2012
StructureVisibility

TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT RAIN WATER BEGAN TO FLOOD THE VEHICLE WHILE DRIVING. THE VEHICLE WAS TAKEN TO THE DEALER FOR A DIAGNOSIS. THE CONTACT WAS INFORMED THAT DUE TO THE DRAIN LINES BEING TOO SMALL, THEY WOULD NEED TO BE RETRO-FITTED AT THE CONSUMER'S EXPENSE. THE MANUFACTURER WAS NOTIFIED…

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TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT RAIN WATER BEGAN TO FLOOD THE VEHICLE WHILE DRIVING. THE VEHICLE WAS TAKEN TO THE DEALER FOR A DIAGNOSIS. THE CONTACT WAS INFORMED THAT DUE TO THE DRAIN LINES BEING TOO SMALL, THEY WOULD NEED TO BE RETRO-FITTED AT THE CONSUMER'S EXPENSE. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE AND OFFERED A CREDIT TOWARDS HER NEXT PURCHASE OF ONE OF THEIR NEWER VEHICLES. THE VEHICLE WAS REPAIRED AT THE OWNER'S EXPENSE. THE FAILURE AND CURRENT MILEAGES WERE 105,000. THE CONSUMER STATED THE ENTIRE VEHICLE HAD TO BE STRIPPED, TREATED AND DRIED. THE ISSUE WAS THE DRAIN LINES IN THE SUN ROOD PAN.

NHTSA ODI #10462443

55,000 miles · May 24, 2012
Structure

THIS HAS ACTUALLY HAPPENED SEVERAL TIMES. WATER DRAINAGE FOR THE SUNROOF SYSTEM GET CLOGGED REALLY EASILY AND FAST. WATER WILL SPILL OUT FROM WATER TRAY AND WILL RUN OVER THE CEILING AND FALL THROUGH THE ROOF MIC (USED FOR ONSTAR), LOCATED DIRECTLY ABOVE THE DRIVER'S FACE. WHEN DRIVING AND TURNING, WATER WILL MOVE SIDE WAYS AND…

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THIS HAS ACTUALLY HAPPENED SEVERAL TIMES. WATER DRAINAGE FOR THE SUNROOF SYSTEM GET CLOGGED REALLY EASILY AND FAST. WATER WILL SPILL OUT FROM WATER TRAY AND WILL RUN OVER THE CEILING AND FALL THROUGH THE ROOF MIC (USED FOR ONSTAR), LOCATED DIRECTLY ABOVE THE DRIVER'S FACE. WHEN DRIVING AND TURNING, WATER WILL MOVE SIDE WAYS AND IT WILL SPILL THROUGH THE MIC AND SUNROOF WINDOW INTERIOR OPENING, SOAKING THE DRIVER WHILE DRIVING. NOT SAFE AT ALL. DRAINAGE DESIGN IS FLAW, AND IT KEEPS CLOGGING AFTER FIXING IT. *TR

NHTSA ODI #10459538

Mileage unknown · Nov 23, 2011
Structure

AFTER HEAVY RAIN EXCESSIVE AMOUNTS OF WATER POOL INSIDE VEHICLE. DRAIN PLUGS HAVE BEEN CLEANED OUT MULTIPLE TIMES. ALTHOUGH WATER CONTINUES TO LAY INSIDE THE TRACK OF THE MOON ROOF AS WELL AS DRAIN ONTO THE FLOOR AND SOMETIMES ONTO THE DRIVER'S SIDE SEAT (DEPENDING ON HOW THE VEHICLE IS PARKED). BASED ON THE FORUMS REGARDING H3'…

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AFTER HEAVY RAIN EXCESSIVE AMOUNTS OF WATER POOL INSIDE VEHICLE. DRAIN PLUGS HAVE BEEN CLEANED OUT MULTIPLE TIMES. ALTHOUGH WATER CONTINUES TO LAY INSIDE THE TRACK OF THE MOON ROOF AS WELL AS DRAIN ONTO THE FLOOR AND SOMETIMES ONTO THE DRIVER'S SIDE SEAT (DEPENDING ON HOW THE VEHICLE IS PARKED). BASED ON THE FORUMS REGARDING H3'S THIS APPEARS TO BE A COMMON PROBLEM. WHY HASN'T GM DONE ANYTHING TO RESOLVE IT??? *TR

NHTSA ODI #10436925

93,356 miles · Jul 17, 2011
EquipmentStructure

H3 |DRAINAGE PROBLEM I PAID TO HAVE IT FIXED A YEAR AGO AND IT IS BLOCKED UP AGAIN. MY WIFE HAD THE SAME PROBLEM WITH HER H3. I HAVE HAD CARS AND TRUCKS AND HAVE NEVER HAD THIS PROBLEM BEFORE WITH THERE SUN ROOFS. I KNOW I'M NOT THE ONLY ONE OUT HERE THAT'S HAD THE SAME PROBLEM . WHEN AT THE DEALERSHIP ONE OF THE SHOP MECHANICS…

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H3 |DRAINAGE PROBLEM I PAID TO HAVE IT FIXED A YEAR AGO AND IT IS BLOCKED UP AGAIN. MY WIFE HAD THE SAME PROBLEM WITH HER H3. I HAVE HAD CARS AND TRUCKS AND HAVE NEVER HAD THIS PROBLEM BEFORE WITH THERE SUN ROOFS. I KNOW I'M NOT THE ONLY ONE OUT HERE THAT'S HAD THE SAME PROBLEM . WHEN AT THE DEALERSHIP ONE OF THE SHOP MECHANICS SAID THE DESIGN WAS A POOR CONSTRUCTION AND DESIGN.THE COMPANY SHOULD BE DOING SOMETHING ABOUT THERE DESIGN AND FIX IT OR HAVE A PROGRAM TO KEEP THEM FROM FLOODING . IT COULD LEAD TO ELECTRICAL PROBLEMS . DO TO THE WATER RUNNING DOWN OVER THE LOWER PANELS. I'M NOT HAPPY PAYING TO HAVE IT FIXED AGAIN. THIS IS JUST A BAD DESIGN ON GM PART. *TR

NHTSA ODI #10413220

Mileage unknown · Oct 2, 2010
Latches/locks/linkagesStructure

THE SIDE TRIMMING NEAR THE ROOF RACKS ARE CRACKED, THE GASKETS NEAR THE REAR OF THE ROOF RACKS ARE COMING APART, AND THE TRIMMING ON BOTH SIDES OF THE VEHICLE NEAR THE WINDSHIELD ARE COMING OFF AND FADED. THE BEST WAY FOR ME TO DESCRIBE WHAT IS GOING ON WITH MY VEHICLE IS BY PRESENTING SOME FORUMS THAT I READ ABOUT.............…

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THE SIDE TRIMMING NEAR THE ROOF RACKS ARE CRACKED, THE GASKETS NEAR THE REAR OF THE ROOF RACKS ARE COMING APART, AND THE TRIMMING ON BOTH SIDES OF THE VEHICLE NEAR THE WINDSHIELD ARE COMING OFF AND FADED. THE BEST WAY FOR ME TO DESCRIBE WHAT IS GOING ON WITH MY VEHICLE IS BY PRESENTING SOME FORUMS THAT I READ ABOUT.............. HTTP://WWW.GMHUMMER.COM/FORUMS/SHOWTHREAD.PHP?T=796 HTTP://WWW.HUMMERFORUMS.COM/FORUM/SHOWTHREAD.PHP?T=16421 HTTP://WWW.ELCOVAFORUMS.COM/FORUMS/SHOWTHREAD.PHP?T=20479 HTTP://TOWNHALL-TALK.EDMUNDS.COM/DIRECT/VIEW/.F0E3B5A APPARENTLY, I AM NO THE ONLY ONE WHO IS HAVING ISSUES WITH THIS. NOT ONLY IS THIS ISSUE COSTLY, BUT SITUATIONS LIKE THIS SHOULD NOT BE OF THE CUSTOMERS FAULT WHEN THE VEHICLE HAS BEEN TAKEN CARE OF AS IT SHOULD. ESPECIALLY IF IT IS ONLY 4 YEARS OLD. MOLDING SHOULD NOT COME OFF A VEHICLE IN THIS MANNER AS IT COULD EVENTUALLY COME OFF AND DAMAGE SOMEONE ELSE'S PROPERTY AS DEBRIS WHILE DRIVING. *TR

NHTSA ODI #10358878

115,000 miles · Aug 25, 2010
Structure

TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT WAS DRIVING AT AN UNKNOWN SPEED WHEN THE ACCESSORY LIGHT BAR FRACTURED FROM THE VEHICLE. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE DEALER DISCOVERED THAT THE ADHESIVE THAT HELD THE ACCESSORY BAR WAS DEFECTIVE. THE CONTACT WAS ABLE TO LOCATE A RECALL FOR THE FAILURE…

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TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT WAS DRIVING AT AN UNKNOWN SPEED WHEN THE ACCESSORY LIGHT BAR FRACTURED FROM THE VEHICLE. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE DEALER DISCOVERED THAT THE ADHESIVE THAT HELD THE ACCESSORY BAR WAS DEFECTIVE. THE CONTACT WAS ABLE TO LOCATE A RECALL FOR THE FAILURE (NHTSA CAMPAIGN ID NUMBER: 10V179000-STRUCTURE: BODY: HOOD) BUT WAS ADVISED BY THE DEALER THAT HE WOULD ONLY APPLY AN ADHESIVE TO THE HOOD LOUVER, AS INSTRUCTED IN THE RECALL, AND NOTHING MORE. THE MANUFACTURER WOULD NOT PROVIDE ANY FURTHER ASSISTANCE. THE FAILURE MILEAGE WAS APPROXIMATELY 115,000 AND THE APPROXIMATE CURRENT MILEAGE WAS 130,000.

NHTSA ODI #10351847

118,000 miles · Jun 4, 2010
Structure

TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT THE HOOD GRILL COMPLETELY DETACHED FROM THE VEHICLE WHILE DRIVING AT APPROXIMATELY 60-65 MPH. A WEEK LATER, HE RECEIVED A RECALL NOTICE FOR RECALL 10V179000 (STRUCTURE:BODY:HOOD). WHEN HE CALLED THE MANUFACTURER, HE WAS TOLD THAT THEY WOULD NOT REPLACE THE HOOD G…

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TL* THE CONTACT OWNS A 2006 HUMMER H3. THE CONTACT STATED THAT THE HOOD GRILL COMPLETELY DETACHED FROM THE VEHICLE WHILE DRIVING AT APPROXIMATELY 60-65 MPH. A WEEK LATER, HE RECEIVED A RECALL NOTICE FOR RECALL 10V179000 (STRUCTURE:BODY:HOOD). WHEN HE CALLED THE MANUFACTURER, HE WAS TOLD THAT THEY WOULD NOT REPLACE THE HOOD GRILL BUT WOULD GLUE THE HOOD LOUVER BACK ON. THE CONTACT DID NOT FEEL THAT THE REPAIR WAS A SUFFICIENT FIX. THE VEHICLE HAD NOT BEEN REPAIRED AT THE TIME OF THE COMPLAINT. THE CURRENT MILEAGE WAS APPROXIMATELY 119,000. THE FAILURE MILEAGE WAS APPROXIMATELY 118,000.

NHTSA ODI #10334597

Mileage unknown · May 30, 2010
Electrical SystemInterior LightingStructure

ON MAY 29 2010 I WENT TO THE STORE AROUND AFTERNOON AND CAME BACK FROM THE STORE I STARTED MY HUMMER 2006 H3 THE CAR STARTED AND I LOOK AT THE INDASH AND NO LIGHT CAME ON AND I DRIVE AROUND THE PARKING LOT TO SEE IF THE IN DASH LIGHT COME ON AND I PARK THE CAR AND TURN OFF MY IGNITION AND TURN IT BACK ON STILL THE SAME NO LIGHT …

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ON MAY 29 2010 I WENT TO THE STORE AROUND AFTERNOON AND CAME BACK FROM THE STORE I STARTED MY HUMMER 2006 H3 THE CAR STARTED AND I LOOK AT THE INDASH AND NO LIGHT CAME ON AND I DRIVE AROUND THE PARKING LOT TO SEE IF THE IN DASH LIGHT COME ON AND I PARK THE CAR AND TURN OFF MY IGNITION AND TURN IT BACK ON STILL THE SAME NO LIGHT ON MY INDASH AND I WAS SCARE TO DRIVE IT OUT ON THE ROAD BECAUSE I DON'T SEE HOW FAST I WAS RUNNING OR THE CAR MIGHT DIE OUT ON ME WHEN IM DRIVING AND I WAS THINKING TO MYSELF THIS IS VERY DANGEROUS BECAUSE THIS COULD CAUSE AN ACCIDENT AND I WAS MAD I DROVE HOME AND ABOUT 3 OR 4 MINUTE LATER THE LIGHT CAME BACK ON WHEN I WAS DRIVING AND I WAS WONDER WHAT COULD CAUSE THIS TO HAPPEN OR DID MY ELECTRIC WIRE SHORT CIRCUIT AND MY TRUCK IS 4 YEAR OLD AND BARELY DRIVING IT. SO COULD YOU PLEASE INVESTIGATE ON THIS, BECAUSE IT HAPPEN TO ME IT COULD HAPPEN TO OTHER HUMMER H3 OWNER . SO PLEASE ACT NOW SO NO ONE GET HURT AND TO PREVENT FROM HAPPENING AND LAST MONTH MY TWO DOOR ON THE PASSENGER SIDE FRONT AND BACK HAS A SQUEAKY NOISE EVERYTIME I OPEN THE FRONT AND BACK PASSENGER IT MAKE TO MUCH NOISE AND I WONDER IS THIS HOW HUMMER MAKE THERE QUALITY TRUCK LIKE THIS AND MY TRUCK IS ONLY 4 YEAR OLD AND STILL BRAND NEW. *TR

NHTSA ODI #10333855

60,000 miles · Jan 21, 2010
Structure

TL*THE CONTACT OWNS A 2006 H3 HUMMER. THE CONTACT STATED THAT THE GRILL VENT COVER FELL OFF OF THE HOOD OF THE VEHICLE WHILE DRIVING 50 MPH. THE CONTACT WAS ABLE TO DRIVE ONTO THE EMERGENCY LANE AND NOTICED THAT THE ADHESIVE GLUE DID NOT HOLD THE COVER IN PLACE. THE DEALER INFORMED THE CONTACT THAT THE VEHICLE WAS NOT UNDER THE …

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TL*THE CONTACT OWNS A 2006 H3 HUMMER. THE CONTACT STATED THAT THE GRILL VENT COVER FELL OFF OF THE HOOD OF THE VEHICLE WHILE DRIVING 50 MPH. THE CONTACT WAS ABLE TO DRIVE ONTO THE EMERGENCY LANE AND NOTICED THAT THE ADHESIVE GLUE DID NOT HOLD THE COVER IN PLACE. THE DEALER INFORMED THE CONTACT THAT THE VEHICLE WAS NOT UNDER THE WARRANTY AND THAT THE MANUFACTURER WOULD NOT COVER THE COST. THE CONTACT IS CONCERNED ABOUT THE SAFETY RISK. THE FAILURE MILEAGE WAS 60,000.

NHTSA ODI #10301773

81,000 miles · Dec 3, 2009
Structure

I OWN A HUMMER H3 2006 MODEL. I PURCHASED IT BRAND NEW. NO ACCIDENTS. THE ROOF POOLS WATER BECAUSE OF A FAULTY DRAINAGE SYSTEM. THE WATER THEN COMES OUT THROUGH THE ROOF IN LARGE AMOUNTS AND THROUGH THE SIDE WALLS AND EMERGENCY BRAKE. THIS CAN CAUSE AN ACCIDENT DUE TO THE LARGE AMOUNTS OF WATER SPILLING ONTO THE DRIVER, OR AN EL…

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I OWN A HUMMER H3 2006 MODEL. I PURCHASED IT BRAND NEW. NO ACCIDENTS. THE ROOF POOLS WATER BECAUSE OF A FAULTY DRAINAGE SYSTEM. THE WATER THEN COMES OUT THROUGH THE ROOF IN LARGE AMOUNTS AND THROUGH THE SIDE WALLS AND EMERGENCY BRAKE. THIS CAN CAUSE AN ACCIDENT DUE TO THE LARGE AMOUNTS OF WATER SPILLING ONTO THE DRIVER, OR AN ELECTRICAL FIRE OR MECHANICAL MALFUNCTION. IT CAN ALSO CAUSE MOLD IN THE INTERIOR DUE TO LARGE COLLECTIONS OF WATER STAGNATING. THIS IS A KNOWN ISSUE THAT IS RECORDED IN GM FORUMS - YET THERE IS NO RECALL FOR THE FAULTY DRAIN PIPES. *TR

NHTSA ODI #10294436

Official recalls

4

15V421000 · Visibility:defroster/defogger/hvac System:fan/motor

Jul 1, 2015

General Motors LLC (GM) is recalling certain model year 2006-2010 Hummer H3 vehicles manufactured February 5, 2005, to May 24, 2010, and 2009-2010 Hummer H3T vehicles manufactured May 21, 2008, to May 24, 2010. In the affected vehicles, the connector module that controls the blower motor speed for the heating, ventilation and air conditioning system may overheat.

Consequence & remedy

Consequence: If the blower motor connector module overheats, it can increase the risk of a fire.

Remedy: GM will notify owners, and dealers will replace part of the blower motor connector and harness, free of charge. The recall began February 26, 2016. Owners may contact Hummer customer service at 1-800-732-5493. GM's number for this recall is 15042.

10V179000 · Structure:body:hood

Apr 30, 2010

GM IS RECALLING CERTAIN MODEL YEAR 2006 THROUGH 2010 HUMMER H3 VEHICLES. SOME OF THESE VEHICLES HAVE A CONDITION IN WHICH THE INTEGRAL CLIP-TABS ON THE LOUVER ON THE HOOD MAY FRACTURE, CAUSING THE HOOD LOUVER RATTLE AGAINST THE HOOD AND BECOME LOOSE. IF THIS INDICATOR IS UNNOTICED, ADDITIONAL CLIPS COULD FRACTURE AND THE HOOD LOUVER COULD DETACH FROM THE VEHICLE.

Consequence & remedy

Consequence: IF THE VEHICLE IS BEING DRIVING WHEN THIS OCCURS, IT COULD STRIKE A FOLLOWING VEHICLE AND CAUSE INJURY AND/OR PROPERTY DAMAGE.

Remedy: DEALERS WILL APPLY AN ADHESIVE TO THE HOOD LOUVER TO SECURE IT TO THE HOOD. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON APRIL 12, 2010. OWNERS MAY CONTACT HUMMER AT 800-732-5493 OR AT THE OWNER CENTER AT WWW.GMOWNERCENTER.COM.

06V417000 · Air Bags:frontal

Oct 31, 2006

CERTAIN VEHICLES ORIGINALLY BUILT WITH CLOTH SEATS THAT WERE EQUIPPED WITH AN AUTOMATIC AIR BAG PASSENGER SENSING SYSTEM AND LATER REUPHOLSTERED WITH AFTERMARKET LEATHER SEAT COVER KITS ARE INVOLVED. TESTING HAS INDICATED THAT THE AFTERMARKET LEATHER SEAT COVERS CAN CAUSE THE PASSENGER SENSING SYSTEM TO MALFUNCTION.

Consequence & remedy

Consequence: IF THE PASSENGER SENSING SYSTEM MALFUNCTIONS, THE FRONT AIR BAG ON THE PASSENGER SIDE MAY BE DISABLED WHEN IT SHOULD BE ENABLED, OR ENABLED WHEN IT SHOULD BE DISABLED. IN EITHER CASE, IN THE EVENT OF A CRASH THAT REQUIRES AIR BAG DEPLOYMENT, A FRONT PASSENGER'S LEVEL OF INJURY MAY BE INCREASED.

Remedy: BECAUSE A REPLACEMENT LEATHER SEAT COVER THAT IS COMPATIBLE WITH THE PASSENGER SENSING SYSTEM IS NOT AVAILABLE, GENERAL MOTORS (GM) WILL REPURCHASE THESE VEHICLES IN ACCORDANCE WITH THE TERMS STATED IN GM'S LETTER TO OWNERS. THE RECALL BEGAN ON NOVEMBER 6, 2006. OWNERS SHOULD CONTACT GM AT 1-877-477-1022 TO BEGIN THE PROCESS OF REPURCHASING THEIR VEHICLE.

05V552000 · Equipment:other:labels

Dec 7, 2005

CERTAIN TRUCKS AND SPORT UTILITY VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THESE VEHICLES WERE SHIPPED WITH TIRE AND LOADING INFORMATION LABELS LISTING AN INACCCURATE VEHICLE CAPACITY WEIGHT.

Consequence & remedy

Consequence: A MISPRINTED LABEL COULD LEAD TO IMPROPER VEHICLE LOADING SPECIFICATIONS OR TIRE INFLATION WHICH COULD RESULT IN A TIRE FAILURE, INCREASING THE RISK OF A CRASH.

Remedy: OWNERS WILL BE PROVIDED WITH CORRECTED LABELS AND INSTALLATION INSTRUCTIONS. AT THE CUSTOMER'S OPTION, A DEALER CAN INSTALL THE LABEL FOR THEM. THE RECALL BEGAN ON MARCH 31, 2006. OWNERS MAY CONTACT BUICK AT 1-866-608-8080, CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, HUMMER AT 1-800-732-5493, PONTIAC AT 1-800-620-7668, SATURN AT 1-800-972-8876, OR ISUZU AT 1-800-255-6727.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.