SAN DIEGO (June 1, 2015) – The Greystone Group announced today that it advised Resource Land Holdings on the lease of the Cascade Quarries to CPC Materials, Inc., an affiliate of CalPortland Co. “We have enjoyed our relationship with RLH and are pleased to have been able to assist them in securing a strong operator to mine the Cascade Quarry, located in Snohomish County, Washington” said Tim Oitzman, President of Greystone.