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Throughout the twentieth century , forestry laws have been enacted relating to the acquisition of land , fighting and prevention of forest fires , rehabilitation and reforestation of forests damaged by fire and logging , and forest and land management . The trees have to be sought out and logged one by one . Pairing a centralized online database with Internet or phone technology , Sub-IT allows educators to simply call or log in for an automatic substitute match search and selection and instant notification to all stakeholders . A kitchen , servants quarters , well , dairy and log cabin have been rebuilt on excavated foundations . You must be connected to the Internet and logged into Firetalk to receive calls . Fire and logging crews often gather debris in excess of project requirements into slash piles , which are allowed to cure and then burned .