There were expressions of excitement at the South Africa’s Junior Indaba on Tuesday when attendees at the important mining event learnt of the signing of the service-level agreement (SLA) for South Africa's long-awaited mining cadastral system, a key tool for orderly mineral exploration regulation. “Pen was put to paper yesterday,” opening discussion chairperson and NSDV director Lili Nupen highlighted following the revelation of the SLA by Department of Mineral Resources and Energy deputy director-general and panelist Theliso Maqubela.