ASR is the leader in central Appalachia for stream restoration and specialty reclamation services. Our team has constructed, restored or enhanced over 300 miles of streams in Mid-Atlantic Region of the US. ? The owners of ASR have over 45 collective years experience in construction, oil and gas and coal mine reclamation. ASR is an owner-operated company with all principal operators extensively trained and certified in stream restoration techniques to include Level 4 Rosgen Certification.