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1. 然后发现，山荒对厂民的影响十分巨大。
Then I found the impact of Barren mountains to the copper factory workers was very great.
2. 但是，随着铜矿采冶的发展，山荒问题日益突显，最终导致极盛一时的滇铜矿业衰落。
Along with the development of copper industry, The Barren mountains difficulty has been increasing. Eventually lead to the flourishing copper decline.
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3. 第二章首先论述清代乾嘉时期山荒问题的出现，以及与山荒息息相关的问题的提出。
The second chapter first to research Barren mountains problems arose from Qianlong to Jiaqing period in the Qing Dynasty. And other problems to put forward which is closely related to the Barren mountains problems.