# -*- coding: utf-8 -*-
# Generated by Django 1.11.6 on 2018-03-28 03:09
from __future__ import unicode_literals

from django.db import migrations, models


class Migration(migrations.Migration):

    dependencies = [
        ('map', '0039_auto_20180328_0245'),
    ]

    operations = [
        migrations.AlterField(
            model_name='casestudy',
            name='type_of_extraction',
            field=models.CharField(blank=True, choices=[('SUR', 'Surface (open pit/open cast/open cut mining)'), ('SUB', 'Sub-surface (underground mining)'), ('SEA', 'Seabed mining'), ('URB', 'Urban mining/recycling')], default=None, max_length=3, null=True, verbose_name='Type of extraction'),
        ),
    ]