Principal facts of regional gravity data in northeast Iowa

Gravity data were collected from 2016 through 2018 to assist in mapping subsurface geology in northeastern Iowa. This data release provides principal facts for 1080...2016年至2018年间采集重力数据，用于辅助绘制艾奥瓦州东北部的地下地质图。本次数据发布提供了1080项核心基础事实信息。