# Booted with eMMC, mount MicroSD at /mnt

$ sudo df -Th
# results
Filesystem     Type      Size  Used Avail Use% Mounted on
udev           devtmpfs  930M     0  930M   0% /dev
tmpfs          tmpfs     200M  8.4M  192M   5% /run
/dev/mmcblk0p2 ext4       29G  1.2G   28G   4% /
tmpfs          tmpfs     998M     0  998M   0% /dev/shm
tmpfs          tmpfs     5.0M     0  5.0M   0% /run/lock
tmpfs          tmpfs     998M     0  998M   0% /sys/fs/cgroup
/dev/mmcblk0p1 vfat      128M   12M  117M   9% /media/boot
tmpfs          tmpfs     200M     0  200M   0% /run/user/0
/dev/mmcblk1p2 ext4      7.2G  1.2G  6.0G  16% /mnt
/dev/mmcblk1p1 vfat      128M   12M  117M   9% /mnt/media/boot